--- a/accessible/tests/mochitest/actions/a11y.ini
+++ b/accessible/tests/mochitest/actions/a11y.ini
@@ -4,11 +4,12 @@
 [test_aria.html]
 [test_controls.html]
 [test_general.html]
 [test_general.xul]
 [test_keys.html]
 [test_keys_menu.xul]
 [test_link.html]
 [test_media.html]
+skip-if = buildapp == 'mulet'
 [test_select.html]
 [test_tree.xul]
 [test_treegrid.xul]

--- a/accessible/tests/mochitest/elm/a11y.ini
+++ b/accessible/tests/mochitest/elm/a11y.ini
@@ -1,9 +1,11 @@
 [DEFAULT]
 
 [test_HTMLSpec.html]
+skip-if = buildapp == 'mulet'
 [test_figure.html]
 [test_listbox.xul]
 [test_nsApplicationAcc.html]
 [test_plugin.html]
+skip-if = buildapp == 'mulet'
 [test_canvas.html]
 [test_shadowroot.html]

--- a/accessible/tests/mochitest/events/a11y.ini
+++ b/accessible/tests/mochitest/events/a11y.ini
@@ -11,16 +11,17 @@ support-files =
 [test_attrs.html]
 [test_caretmove.html]
 [test_caretmove.xul]
 [test_coalescence.html]
 [test_contextmenu.html]
 [test_descrchange.html]
 [test_docload.html]
 [test_docload.xul]
+skip-if = buildapp == 'mulet'
 [test_docload_aria.html]
 [test_dragndrop.html]
 [test_flush.html]
 [test_focus_aria_activedescendant.html]
 [test_focus_autocomplete.xul]
 # Disabled on Linux and Windows due to frequent failures - bug 695019, bug 890795
 skip-if = os == 'win' || os == 'linux'
 [test_focus_browserui.xul]
@@ -41,16 +42,17 @@ skip-if = os == 'win' || os == 'linux'
 [test_label.xul]
 [test_menu.xul]
 [test_mutation.html]
 [test_mutation.xhtml]
 [test_namechange.xul]
 [test_namechange.html]
 [test_scroll.xul]
 [test_selection.html]
+skip-if = buildapp == 'mulet'
 [test_selection.xul]
 [test_selection_aria.html]
 [test_statechange.html]
 [test_text.html]
 [test_text_alg.html]
 [test_textattrchange.html]
 [test_textselchange.html]
 [test_tree.xul]

--- a/accessible/tests/mochitest/focus/a11y.ini
+++ b/accessible/tests/mochitest/focus/a11y.ini
@@ -1,5 +1,6 @@
 [DEFAULT]
 
 [test_focusedChild.html]
 [test_takeFocus.html]
+skip-if = buildapp == 'mulet'
 [test_takeFocus.xul]

--- a/accessible/tests/mochitest/jsat/a11y.ini
+++ b/accessible/tests/mochitest/jsat/a11y.ini
@@ -5,17 +5,19 @@ support-files =
   jsatcommon.js
   output.js
   doc_traversal.html
   doc_content_integration.html
   doc_content_text.html
 
 [test_alive.html]
 [test_content_integration.html]
+skip-if = buildapp == 'mulet'
 [test_content_text.html]
+skip-if = buildapp == 'mulet'
 [test_explicit_names.html]
 [test_gesture_tracker.html]
 [test_landmarks.html]
 [test_live_regions.html]
 [test_output.html]
 [test_tables.html]
 [test_pointer_relay.html]
 [test_traversal.html]

--- a/accessible/tests/mochitest/states/a11y.ini
+++ b/accessible/tests/mochitest/states/a11y.ini
@@ -24,8 +24,9 @@ support-files =
 [test_popup.xul]
 [test_selects.html]
 [test_stale.html]
 [test_tabs.xul]
 [test_textbox.xul]
 [test_tree.xul]
 [test_visibility.html]
 [test_visibility.xul]
+skip-if = buildapp == "mulet"

--- a/accessible/tests/mochitest/tree/a11y.ini
+++ b/accessible/tests/mochitest/tree/a11y.ini
@@ -15,26 +15,28 @@ skip-if = true # Bug 561508
 [test_button.xul]
 [test_canvas.html]
 [test_combobox.xul]
 [test_cssoverflow.html]
 [test_dochierarchy.html]
 [test_dockids.html]
 [test_filectrl.html]
 [test_formctrl.html]
+skip-if = buildapp == "mulet"
 [test_formctrl.xul]
 [test_gencontent.html]
 [test_groupbox.xul]
 [test_iframe.html]
 [test_img.html]
 [test_invalid_img.xhtml]
 [test_invalidationlist.html]
 [test_list.html]
 [test_map.html]
 [test_media.html]
+skip-if = buildapp == "mulet"
 [test_select.html]
 [test_tabbox.xul]
 [test_tabbrowser.xul]
 [test_table.html]
 [test_tree.xul]
 [test_txtcntr.html]
 [test_txtctrl.html]
 [test_txtctrl.xul]

--- a/accessible/tests/mochitest/treeupdate/a11y.ini
+++ b/accessible/tests/mochitest/treeupdate/a11y.ini
@@ -9,16 +9,17 @@
 [test_colorpicker.xul]
 [test_contextmenu.xul]
 [test_cssoverflow.html]
 [test_deck.xul]
 [test_doc.html]
 [test_gencontent.html]
 [test_hidden.html]
 [test_imagemap.html]
+skip-if = buildapp == "mulet"
 [test_list.html]
 [test_list_editabledoc.html]
 [test_listbox.xul]
 [test_menu.xul]
 [test_menubutton.xul]
 [test_optgroup.html]
 [test_recreation.html]
 [test_select.html]

--- a/b2g/chrome/content/test/mochitest/mochitest.ini
+++ b/b2g/chrome/content/test/mochitest/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #require OOP support for mochitest-b2g-desktop, Bug 957554
+skip-if = ((buildapp == 'mulet' || buildapp == 'b2g') && toolkit != 'gonk') #require OOP support for mochitest-b2g-desktop, Bug 957554
 support-files =
   RecordingStatusChromeScript.js
   RecordingStatusHelper.js
   file_getusermedia_iframe.html
 
 [test_recordingStatus_basic.html]
 [test_recordingStatus_multiple_requests.html]
 [test_recordingStatus_iframe.html]

--- a/browser/base/content/test/chat/browser.ini
+++ b/browser/base/content/test/chat/browser.ini
@@ -1,8 +1,9 @@
 [DEFAULT]
+skip-if = buildapp == 'mulet'
 support-files =
   head.js
   chat.html
 
 [browser_chatwindow.js]
 [browser_focus.js]
 [browser_tearoff.js]

--- a/browser/base/content/test/general/browser.ini
+++ b/browser/base/content/test/general/browser.ini
@@ -96,17 +96,17 @@ skip-if = e10s # Bug ?????? - no about:h
 [browser_aboutSyncProgress.js]
 [browser_addKeywordSearch.js]
 [browser_alltabslistener.js]
 skip-if = os == "linux" || e10s # Linux: Intermittent failures, bug 951680; e10s: Bug ?????? - notifications don't work correctly.
 [browser_backButtonFitts.js]
 skip-if = os != "win" || e10s # The Fitts Law back button is only supported on Windows (bug 571454) / e10s - Bug ?????? test touches content (attempts to add an event listener directly to the contentWindow)
 [browser_blob-channelname.js]
 [browser_bookmark_titles.js]
-skip-if = toolkit == "windows" || e10s # Disabled on Windows due to frequent failures (bugs 825739, 841341) / e10s - Bug ?????? test checks event.target on load event, which our e10s utils don't support
+skip-if = buildapp == 'mulet' || toolkit == "windows" || e10s # Disabled on Windows due to frequent failures (bugs 825739, 841341) / e10s - Bug ?????? test checks event.target on load event, which our e10s utils don't support
 [browser_bug304198.js]
 [browser_bug321000.js]
 skip-if = true # browser_bug321000.js is disabled because newline handling is shaky (bug 592528)
 [browser_bug329212.js]
 [browser_bug331772_xul_tooltiptext_in_html.js]
 [browser_bug356571.js]
 [browser_bug380960.js]
 [browser_bug386835.js]
@@ -130,53 +130,53 @@ skip-if = true # bug 428712
 skip-if = e10s # Bug ?????? - test directly manipulates content
 [browser_bug427559.js]
 skip-if = e10s # Bug ?????? - "content window is focused - Got [object ChromeWindow], expected [object XrayWrapper [object Window]]"
 [browser_bug431826.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content (eg, var expertDiv = gBrowser.contentDocument.getElementById("expertContent");)
 [browser_bug432599.js]
 [browser_bug435035.js]
 [browser_bug435325.js]
-skip-if = e10s # Bug ?????? - test directly manipulates content
+skip-if = buildapp == 'mulet' || e10s # Bug ?????? - test directly manipulates content
 [browser_bug441778.js]
-skip-if = e10s # Bug 691614 - no e10s zoom support yet
+skip-if = buildapp == 'mulet' || e10s # Bug 691614 - no e10s zoom support yet
 [browser_bug455852.js]
 [browser_bug460146.js]
 skip-if = e10s # Bug 866413 - PageInfo doesn't work in e10s
 [browser_bug462289.js]
 skip-if = toolkit == "cocoa" || e10s # Bug ?????? - not sure why this is timing out and crashing!!
 [browser_bug462673.js]
 skip-if = e10s # Bug 924260 - "Window is closed"
 [browser_bug477014.js]
 skip-if = e10s # Bug 918634 - swapFrameLoaders not implemented for e10s
 [browser_bug479408.js]
-skip-if = e10s # Bug 918663 - DOMLinkAdded events don't make their way to chrome
+skip-if = buildapp == 'mulet' || e10s # Bug 918663 - DOMLinkAdded events don't make their way to chrome
 [browser_bug481560.js]
 skip-if = e10s # Bug ????? - This bug attached an event listener directly to the content
 [browser_bug484315.js]
 [browser_bug491431.js]
-skip-if = e10s # Bug 918634 - swapFrameLoaders (and thus replaceTabWithWindow) not implemented for e10s
+skip-if = buildapp == 'mulet' || e10s # Bug 918634 - swapFrameLoaders (and thus replaceTabWithWindow) not implemented for e10s
 [browser_bug495058.js]
 skip-if = e10s # Bug 918634 - swapFrameLoaders (and thus replaceTabWithWindow) not implemented for e10s
 [browser_bug517902.js]
 skip-if = e10s # Bug 866413 - PageInfo doesn't work in e10s
 [browser_bug519216.js]
 skip-if = e10s # Bug ?????? - some weird timing issue with progress listeners that fails intermittently
 [browser_bug520538.js]
 [browser_bug521216.js]
 skip-if = e10s # Bug 918663 - DOMLinkAdded events don't make their way to chrome
 [browser_bug533232.js]
 [browser_bug537013.js]
-skip-if = e10s # Bug 918634 - swapFrameLoaders not implemented for e10s (test calls replaceTabWithWindow)
+skip-if = buildapp == 'mulet' || e10s # Bug 918634 - swapFrameLoaders not implemented for e10s (test calls replaceTabWithWindow)
 [browser_bug537474.js]
 skip-if = e10s # Bug ?????? - test doesn't wait for document to be created before it checks it
 [browser_bug550565.js]
 skip-if = e10s # Bug 918663 - DOMLinkAdded events don't make their way to chrome (which is how gBrowser.getIcon works)
 [browser_bug553455.js]
-skip-if = e10s # Bug ????? - I don't think either popup notifications nor addon install stuff works?
+skip-if = buildapp == 'mulet' || e10s # Bug ????? - I don't think either popup notifications nor addon install stuff works?
 [browser_bug555224.js]
 skip-if = e10s # Bug 691614 - no e10s zoom support yet
 [browser_bug555767.js]
 skip-if = e10s # Bug 916974 - Session history doesn't work in e10s
 [browser_bug556061.js]
 skip-if = e10s # Bug 932651 - getClipboardData in specialpowersAPI.js not e10s friendly
 [browser_bug559991.js]
 skip-if = e10s # Bug 691614 - no e10s zoom support yet
@@ -228,21 +228,21 @@ skip-if = e10s # Bug 516755 - SessionSto
 [browser_bug623155.js]
 skip-if = e10s # Bug ?????? - URLBar issues (apparently issues with redirection)
 [browser_bug623893.js]
 skip-if = e10s # Bug 916974 - Session history doesn't work in e10s
 [browser_bug624734.js]
 [browser_bug633691.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content (eg, var expertDiv = gBrowser.contentDocument.getElementById("expertContent");)
 [browser_bug647886.js]
-skip-if = e10s # Bug 916974 - Session history doesn't work in e10s
+skip-if = buildapp == 'mulet' || e10s # Bug 916974 - Session history doesn't work in e10s
 [browser_bug655584.js]
 [browser_bug664672.js]
 [browser_bug676619.js]
-skip-if = os == "mac" || e10s # mac: Intermittent failures, bug 925225; e10s: Bug ?????? - test directly manipulates content (event.target.location)
+skip-if = buildapp == 'mulet' || os == "mac" || e10s # mac: Intermittent failures, bug 925225; e10s: Bug ?????? - test directly manipulates content (event.target.location)
 [browser_bug678392.js]
 skip-if = e10s # Bug ?????? - Obscure non-windows failures ("Snapshot array has correct length of 1 after loading one page. - Got 0, expected 1" and more)
 [browser_bug710878.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content (doc.querySelector)
 [browser_bug719271.js]
 skip-if = e10s # Bug 691614 - no e10s zoom support yet
 [browser_bug724239.js]
 [browser_bug734076.js]
@@ -264,48 +264,49 @@ skip-if = e10s # Bug 916974 - Session hi
 skip-if = e10s # Bug 921959 - reload with LOAD_FLAGS_ALLOW_MIXED_CONTENT fails in e10s
 [browser_bug832435.js]
 [browser_bug839103.js]
 [browser_bug880101.js]
 [browser_bug882977.js]
 [browser_bug902156.js]
 skip-if = e10s # Bug 921959 - reload with LOAD_FLAGS_ALLOW_MIXED_CONTENT fails in e10s
 [browser_bug906190.js]
-skip-if = e10s # Bug ?????? - test directly manipulates content (strange - gets an element from a child which it tries to treat as a string, but that fails)
+skip-if = buildapp == "mulet" || e10s # Bug ?????? - test directly manipulates content (strange - gets an element from a child which it tries to treat as a string, but that fails)
 [browser_bug970746.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content (directly gets elements from the content)
 [browser_canonizeURL.js]
 skip-if = e10s # Bug ?????? - [JavaScript Error: "Error in AboutHome.sendAboutHomeData TypeError: target.messageManager is undefined" {file: "resource:///modules/AboutHome.jsm" line: 208}]
 [browser_contentAreaClick.js]
 [browser_contextSearchTabPosition.js]
 skip-if = os == "mac" # bug 967013, bug 926729
 [browser_ctrlTab.js]
 skip-if = e10s # Bug ????? - thumbnail captures need e10s love (tabPreviews_capture fails with Argument 1 of CanvasRenderingContext2D.drawWindow does not implement interface Window.)
 [browser_customize_popupNotification.js]
 [browser_datareporting_notification.js]
 run-if = datareporting
 [browser_devices_get_user_media.js]
-skip-if = (os == "linux" && debug) || e10s # linux: bug 976544; e10s: Bug 973001 - appears user media notifications only happen in the child and don't make their way to the parent?
+skip-if = buildapp == 'mulet' || (os == "linux" && debug) || e10s # linux: bug 976544; e10s: Bug 973001 - appears user media notifications only happen in the child and don't make their way to the parent?
 [browser_devices_get_user_media_about_urls.js]
 skip-if = e10s # Bug 973001 - appears user media notifications only happen in the child and don't make their way to the parent?
 [browser_discovery.js]
 skip-if = e10s # Bug 918663 - DOMLinkAdded events don't make their way to chrome
 [browser_duplicateIDs.js]
 [browser_drag.js]
 skip-if = true # browser_drag.js is disabled, as it needs to be updated for the new behavior from bug 320638.
 [browser_favicon_change.js]
 [browser_findbarClose.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content (tries to grab an iframe directly from content)
 [browser_fullscreen-window-open.js]
-skip-if = e10s || os == "linux" # Bug 933103 - mochitest's EventUtils.synthesizeMouse functions not e10s friendly. Linux: Intermittent failures - bug 941575.
+skip-if = buildapp == 'mulet' || e10s || os == "linux" # Bug 933103 - mochitest's EventUtils.synthesizeMouse functions not e10s friendly. Linux: Intermittent failures - bug 941575.
 [browser_gestureSupport.js]
 skip-if = e10s # Bug 863514 - no gesture support.
 [browser_getshortcutoruri.js]
 [browser_hide_removing.js]
 [browser_homeDrop.js]
+skip-if = buildapp == 'mulet'
 [browser_identity_UI.js]
 skip-if = e10s # Bug ?????? - this test fails for obscure reasons on non-windows builds only.
 [browser_keywordBookmarklets.js]
 skip-if = e10s # Bug ?????? - this test fails for obscure reasons on non-windows builds only.
 [browser_keywordSearch.js]
 skip-if = e10s # Bug 921957 - remote webprogress doesn't supply originalURI attribute on the request object
 [browser_keywordSearch_postData.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content (gBrowser.contentDocument.body.textContent)
@@ -318,84 +319,91 @@ skip-if = os == "linux" || e10s # Linux:
 skip-if = os != "win" || e10s # The Fitts Law menu button is only supported on Windows (bug 969376); # Bug ?????? - URL bar issues ("There should be no focused element - Got [object XULElement], expected null")
 [browser_middleMouse_noJSPaste.js]
 skip-if = e10s # Bug 921952 - Content:Click event issues
 [browser_minimize.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content (TypeError: gBrowser.docShell is null)
 [browser_mixedcontent_securityflags.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content ("cannot ipc non-cpow object")
 [browser_notification_tab_switching.js]
-skip-if = e10s # Bug ?????? - uncaught exception - Error: cannot ipc non-cpow object at chrome://mochitests/content/browser/browser/base/content/test/general/browser_notification_tab_switching.js:32
+skip-if = buildapp == 'mulet' || e10s # Bug ?????? - uncaught exception - Error: cannot ipc non-cpow object at chrome://mochitests/content/browser/browser/base/content/test/general/browser_notification_tab_switching.js:32
 [browser_offlineQuotaNotification.js]
-skip-if = e10s # Bug ?????? - test directly manipulates content (gBrowser.selectedBrowser.contentWindow.applicationCache.oncached = function() {...})
+skip-if = buildapp == 'mulet' || e10s # Bug ?????? - test directly manipulates content (gBrowser.selectedBrowser.contentWindow.applicationCache.oncached = function() {...})
 [browser_overflowScroll.js]
 skip-if = e10s # Bug 921905 - pinTab/unpinTab fail in e10s
 [browser_pageInfo.js]
-skip-if = e10s # Bug 866413 - PageInfo doesn't work in e10s
+skip-if = buildapp == 'mulet' || e10s # Bug 866413 - PageInfo doesn't work in e10s
 [browser_page_style_menu.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content
 
 [browser_parsable_css.js]
 
 [browser_pinnedTabs.js]
 skip-if = e10s # Bug 921905 - pinTab/unpinTab fail in e10s
 [browser_plainTextLinks.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content (creates and fetches elements directly from content document)
 [browser_popupUI.js]
-skip-if = e10s # Bug ?????? - test directly manipulates content (tries to get a popup element directly from content)
+skip-if = buildapp == 'mulet' || e10s # Bug ?????? - test directly manipulates content (tries to get a popup element directly from content)
 [browser_printpreview.js]
-skip-if = e10s # Bug ?????? - timeout after logging "Error: Channel closing: too late to send/recv, messages will be lost"
+skip-if = buildapp == 'mulet' || e10s # Bug ?????? - timeout after logging "Error: Channel closing: too late to send/recv, messages will be lost"
 [browser_private_browsing_window.js]
+skip-if = buildapp == 'mulet'
 [browser_private_no_prompt.js]
+skip-if = buildapp == 'mulet'
 [browser_relatedTabs.js]
 [browser_removeTabsToTheEnd.js]
 skip-if = e10s # Bug 921905 - pinTab/unpinTab fail in e10s
 [browser_removeUnsafeProtocolsFromURLBarPaste.js]
 [browser_sanitize-download-history.js]
 skip-if = true # bug 432425
 [browser_sanitize-passwordDisabledHosts.js]
 [browser_sanitize-sitepermissions.js]
 [browser_sanitize-timespans.js]
+skip-if = buildapp == 'mulet'
 [browser_sanitizeDialog.js]
+skip-if = buildapp == 'mulet'
 [browser_sanitizeDialog_treeView.js]
 skip-if = true  # disabled until the tree view is added
                 # back to the clear recent history dialog (sanitize.xul), if
                 # it ever is (bug 480169)
 [browser_save_link-perwindowpb.js]
-skip-if = e10s # Bug ?????? - test directly manipulates content (event.target)
+skip-if = buildapp == 'mulet' || e10s # Bug ?????? - test directly manipulates content (event.target)
 [browser_save_private_link_perwindowpb.js]
-skip-if = e10s # e10s: Bug 933103 - mochitest's EventUtils.synthesizeMouse functions not e10s friendly
+skip-if = buildapp == 'mulet' || e10s # e10s: Bug 933103 - mochitest's EventUtils.synthesizeMouse functions not e10s friendly
 [browser_save_video.js]
-skip-if = e10s # Bug ?????? - test directly manipulates content (event.target)
+skip-if = buildapp == 'mulet' || e10s # Bug ?????? - test directly manipulates content (event.target)
 [browser_scope.js]
 [browser_selectTabAtIndex.js]
 skip-if = e10s # Bug ?????? - no idea! "Accel+9 selects expected tab - Got 0, expected 9"
 [browser_star_hsts.js]
 skip-if = e10s # Bug ?????? - timeout after logging "Error: Channel closing: too late to send/recv, messages will be lost"
 [browser_subframe_favicons_not_used.js]
 [browser_tabDrop.js]
+skip-if = buildapp == 'mulet'
 [browser_tabMatchesInAwesomebar_perwindowpb.js]
 skip-if = e10s # Bug 918634 - swapFrameLoaders not implemented for e10s (test uses gBrowser.swapBrowsersAndCloseOther)
 [browser_tab_drag_drop_perwindow.js]
+skip-if = buildapp == 'mulet'
 [browser_tab_dragdrop.js]
-skip-if = e10s # Bug 918634 - swapFrameLoaders not implemented for e10s (test uses gBrowser.swapBrowsersAndCloseOther)
+skip-if = buildapp == 'mulet' || e10s # Bug 918634 - swapFrameLoaders not implemented for e10s (test uses gBrowser.swapBrowsersAndCloseOther)
 [browser_tab_dragdrop2.js]
+skip-if = buildapp == 'mulet'
 [browser_tabbar_big_widgets.js]
 skip-if = os == "linux" || os == "mac" # No tabs in titlebar on linux
                                        # Disabled on OS X because of bug 967917
 [browser_tabfocus.js]
 skip-if = e10s # Bug 921935 - focusmanager issues with e10s (test calls getFocusedElementForWindow with a content window)
 [browser_tabkeynavigation.js]
 [browser_tabopen_reflows.js]
 skip-if = e10s # Bug ?????? - test needs to be updated for e10s (captures a stack that isn't correct in e10s)
 [browser_tabs_isActive.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content (tries to get/set attributes directly on content docshell)
 [browser_tabs_owner.js]
 [browser_typeAheadFind.js]
-skip-if = e10s # Bug 921935 - focusmanager issues with e10s (test calls waitForFocus)
+skip-if = buildapp == 'mulet' || e10s # Bug 921935 - focusmanager issues with e10s (test calls waitForFocus)
 [browser_unloaddialogs.js]
 skip-if = e10s # Bug ?????? - test uses chrome windowMediator to try and see alert() from content
 [browser_urlHighlight.js]
 [browser_urlbarAutoFillTrimURLs.js]
 [browser_urlbarCopying.js]
 skip-if = e10s # Bug 932651 - getClipboardData in specialpowersAPI.js not e10s friendly
 [browser_urlbarEnter.js]
 skip-if = e10s # Bug ?????? - obscure non-windows child process crashes on try
@@ -417,16 +425,17 @@ skip-if = e10s # Bug 921905 - pinTab/unp
 skip-if = true # Bug 1005420 - fails intermittently. also with e10s enabled: bizarre problem with hidden tab having _mouseenter called, via _setPositionalAttributes, and tab not being found resulting in 'candidate is undefined'
 [browser_visibleTabs_bookmarkAllTabs.js]
 skip-if = e10s # Bug 921905 - pinTab/unpinTab fail in e10s
 [browser_visibleTabs_contextMenu.js]
 skip-if = e10s # Bug 921905 - pinTab/unpinTab fail in e10s
 [browser_visibleTabs_tabPreview.js]
 skip-if = (os == "win" && !debug) || e10s # Bug 1007418 / Bug 698371 - thumbnail captures need e10s love (tabPreviews_capture fails with Argument 1 of CanvasRenderingContext2D.drawWindow does not implement interface Window.)
 [browser_windowopen_reflows.js]
+skip-if = buildapp == 'mulet'
 [browser_wyciwyg_urlbarCopying.js]
 skip-if = e10s # Bug ?????? - test directly manipulates content (content.document.getElementById)
 [browser_zbug569342.js]
 skip-if = e10s # Bug 516755 - SessionStore disabled for e10s
 [browser_registerProtocolHandler_notification.js]
 skip-if = e10s # Bug 940206 - nsIWebContentHandlerRegistrar::registerProtocolHandler doesn't work in e10s
 [browser_no_mcb_on_http_site.js]
 skip-if = e10s # Bug 516755 - SessionStore disabled for e10s

--- a/browser/base/content/test/newtab/browser.ini
+++ b/browser/base/content/test/newtab/browser.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = e10s # Bug ?????? - about:newtab tests don't work in e10s
+skip-if = buildapp == 'mulet' || e10s # Bug ?????? - about:newtab tests don't work in e10s
 support-files =
   head.js
 
 [browser_newtab_background_captures.js]
 [browser_newtab_block.js]
 [browser_newtab_bug721442.js]
 [browser_newtab_bug722273.js]
 [browser_newtab_bug723102.js]

--- a/browser/base/content/test/plugins/browser.ini
+++ b/browser/base/content/test/plugins/browser.ini
@@ -1,16 +1,16 @@
 [DEFAULT]
 # These tests all fail with e10s enabled.
 # * Bug 899347 - no e10s click-to-play support
 # * Bug 921916 - no plugin events
 # * Bug XXXXX - no plugins in content processes ("Error: You cannot use the AddonManager in child processes!")
 # * Bug 866413 - PageInfo doesn't work in e10s [browser_pageInfo_plugins.js]
 # * Bug 921957 - remote webprogress doesn't supply originalURI attribute on the request object [browser_clearplugindata.js]
-skip-if = e10s
+skip-if = buildapp == "mulet" || e10s
 support-files =
   blockNoPlugins.xml
   blockPluginHard.xml
   blockPluginVulnerableNoUpdate.xml
   blockPluginVulnerableUpdatable.xml
   browser_clearplugindata.html
   browser_clearplugindata_noage.html
   head.js

--- a/browser/base/content/test/social/browser.ini
+++ b/browser/base/content/test/social/browser.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = e10s # Bug 915547 (social providers don't install)
+skip-if = buildapp == "mulet" || e10s # Bug 915547 (social providers don't install)
 support-files =
   blocklist.xml
   checked.jpg
   head.js
   opengraph/og_invalid_url.html
   opengraph/opengraph.html
   opengraph/shortlink_linkrel.html
   opengraph/shorturl_link.html

--- a/browser/components/customizableui/test/browser.ini
+++ b/browser/components/customizableui/test/browser.ini
@@ -1,9 +1,10 @@
 [DEFAULT]
+skip-if = buildapp == "mulet"
 support-files =
   head.js
   support/test_967000_charEncoding_page.html
   support/feeds_test_page.html
   support/test-feed.xml
 
 [browser_873501_handle_specials.js]
 [browser_876926_customize_mode_wrapping.js]
@@ -70,17 +71,17 @@ skip-if = e10s # Bug ?????? - test uses 
 [browser_952963_areaType_getter_no_area.js]
 [browser_956602_remove_special_widget.js]
 [browser_962069_drag_to_overflow_chevron.js]
 [browser_962884_opt_in_disable_hyphens.js]
 [browser_963639_customizing_attribute_non_customizable_toolbar.js]
 [browser_967000_button_charEncoding.js]
 skip-if = e10s # Bug ?????? - test uses promiseTabLoadEvent() which isn't e10s friendly.
 [browser_967000_button_feeds.js]
-skip-if = e10s # Bug ?????? - test uses promiseTabLoadEvent() which isn't e10s friendly.
+skip-if = buildapp == 'mulet' || e10s # Bug ?????? - test uses promiseTabLoadEvent() which isn't e10s friendly.
 [browser_967000_button_sync.js]
 skip-if = e10s # Bug ?????? - test uses promiseTabLoadEvent() which isn't e10s friendly.
 [browser_967000_button_tabView.js]
 [browser_968447_bookmarks_toolbar_items_in_panel.js]
 skip-if = os == "linux" # Intemittent failures - bug 979207
 [browser_968565_insert_before_hidden_items.js]
 [browser_969427_recreate_destroyed_widget_after_reset.js]
 [browser_969661_character_encoding_navbar_disabled.js]

--- a/browser/components/downloads/test/browser/browser.ini
+++ b/browser/components/downloads/test/browser/browser.ini
@@ -1,8 +1,9 @@
 [DEFAULT]
 support-files = head.js
 
 [browser_basic_functionality.js]
+skip-if = buildapp == "mulet"
 [browser_first_download_panel.js]
 skip-if = os == "linux" # Bug 949434
 [browser_overflow_anchor.js]
 skip-if = os == "linux" # Bug 952422

--- a/browser/components/feeds/test/chrome/chrome.ini
+++ b/browser/components/feeds/test/chrome/chrome.ini
@@ -1,7 +1,8 @@
 [DEFAULT]
 support-files = sample_feed.atom
 
 [test_423060.xul]
 [test_bug368464.html]
 [test_bug408328.html]
+skip-if= buildapp == 'mulet'
 [test_maxSniffing.html]

--- a/browser/components/feeds/test/mochitest.ini
+++ b/browser/components/feeds/test/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g' || e10s
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || e10s
 support-files =
   bug368464-data.xml
   bug408328-data.xml
   bug436801-data.xml
   bug494328-data.xml
   bug589543-data.xml
   valid-feed.xml
   valid-unsniffable-feed.xml

--- a/browser/components/loop/test/mochitest/browser.ini
+++ b/browser/components/loop/test/mochitest/browser.ini
@@ -1,6 +1,7 @@
 [DEFAULT]
 support-files =
     head.js
 
 [browser_mozLoop_charPref.js]
 [browser_mozLoop_doNotDisturb.js]
+skip-if = buildapp == 'mulet'

--- a/browser/components/places/tests/browser/browser.ini
+++ b/browser/components/places/tests/browser/browser.ini
@@ -1,13 +1,14 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 [DEFAULT]
+skip-if = buildapp == "mulet"
 support-files =
   head.js
   framedPage.html
   frameLeft.html
   frameRight.html
   sidebarpanels_click_test_page.html
 
 [browser_0_library_left_pane_migration.js]

--- a/browser/components/preferences/in-content/tests/browser.ini
+++ b/browser/components/preferences/in-content/tests/browser.ini
@@ -1,9 +1,10 @@
 [DEFAULT]
+skip-if = buildapp == "mulet"
 support-files =
   head.js
   privacypane_tests_perwindow.js
 
 [browser_advanced_update.js]
 [browser_bug410900.js]
 [browser_bug731866.js]
 [browser_bug1020245_openPreferences_to_paneContent.js]

--- a/browser/components/preferences/tests/browser.ini
+++ b/browser/components/preferences/tests/browser.ini
@@ -1,9 +1,10 @@
 [DEFAULT]
+skip-if = buildapp == "mulet"
 support-files =
   head.js
   privacypane_tests_perwindow.js
 
 [browser_advanced_update.js]
 [browser_bug410900.js]
 [browser_bug705422.js]
 skip-if = e10s # Bug 941459 - pushPrefEnv, popPrefEnv in specialPowersAPI.js not e10s friendly

--- a/browser/components/privatebrowsing/test/browser/browser.ini
+++ b/browser/components/privatebrowsing/test/browser/browser.ini
@@ -1,9 +1,10 @@
 [DEFAULT]
+skip-if = buildapp == "mulet"
 support-files =
   browser_privatebrowsing_concurrent_page.html
   browser_privatebrowsing_cookieacceptdialog.html
   browser_privatebrowsing_geoprompt_page.html
   browser_privatebrowsing_localStorage_before_after_page.html
   browser_privatebrowsing_localStorage_before_after_page2.html
   browser_privatebrowsing_localStorage_page1.html
   browser_privatebrowsing_localStorage_page2.html

--- a/browser/components/search/test/browser.ini
+++ b/browser/components/search/test/browser.ini
@@ -1,9 +1,10 @@
 [DEFAULT]
+skip-if = buildapp == 'mulet'
 support-files =
   426329.xml
   483086-1.xml
   483086-2.xml
   head.js
   test.html
   testEngine.src
   testEngine.xml

--- a/browser/components/sessionstore/test/browser.ini
+++ b/browser/components/sessionstore/test/browser.ini
@@ -63,16 +63,17 @@ support-files =
 [browser_backup_recovery.js]
 [browser_broadcast.js]
 [browser_capabilities.js]
 [browser_cleaner.js]
 [browser_dying_cache.js]
 [browser_dynamic_frames.js]
 [browser_form_restore_events.js]
 [browser_formdata.js]
+skip-if = buildapp == 'mulet'
 [browser_formdata_format.js]
 [browser_formdata_xpath.js]
 [browser_frametree.js]
 [browser_frame_history.js]
 [browser_global_store.js]
 [browser_history_cap.js]
 [browser_label_and_icon.js]
 [browser_merge_closed_tabs.js]

--- a/browser/components/tabview/test/browser.ini
+++ b/browser/components/tabview/test/browser.ini
@@ -11,16 +11,17 @@ support-files =
   test_bug678374_icon16.png
 
 [browser_tabview_alltabs.js]
 [browser_tabview_apptabs.js]
 [browser_tabview_bug580412.js]
 [browser_tabview_bug586553.js]
 [browser_tabview_bug587043.js]
 [browser_tabview_bug587231.js]
+skip-if = buildapp == 'mulet'
 [browser_tabview_bug587276.js]
 [browser_tabview_bug587351.js]
 [browser_tabview_bug587503.js]
 [browser_tabview_bug587990.js]
 [browser_tabview_bug588265.js]
 [browser_tabview_bug589324.js]
 [browser_tabview_bug590606.js]
 [browser_tabview_bug591706.js]
@@ -64,34 +65,37 @@ skip-if = os == 'linux' # Bug 947521
 skip-if = true # Bug 736036
 [browser_tabview_bug612470.js]
 [browser_tabview_bug613541.js]
 skip-if = os == "win" # Bug 951477
 [browser_tabview_bug616729.js]
 [browser_tabview_bug616967.js]
 [browser_tabview_bug618816.js]
 [browser_tabview_bug618828.js]
+skip-if = buildapp == 'mulet'
 [browser_tabview_bug619937.js]
 [browser_tabview_bug622835.js]
 [browser_tabview_bug623768.js]
 [browser_tabview_bug624265_perwindowpb.js]
 skip-if = true # Bug 921984, hopefully fixed by bug 930202
 [browser_tabview_bug624692.js]
 [browser_tabview_bug624727_perwindowpb.js]
+skip-if = buildapp == 'mulet'
 [browser_tabview_bug624847.js]
 [browser_tabview_bug624931.js]
 [browser_tabview_bug624953.js]
 [browser_tabview_bug625195.js]
 [browser_tabview_bug625269.js]
 [browser_tabview_bug625424.js]
 [browser_tabview_bug625955.js]
 [browser_tabview_bug626368.js]
 [browser_tabview_bug626455.js]
 [browser_tabview_bug626525.js]
 [browser_tabview_bug626791.js]
+skip-if = buildapp == 'mulet'
 [browser_tabview_bug627736.js]
 [browser_tabview_bug628061.js]
 [browser_tabview_bug628165.js]
 [browser_tabview_bug628270.js]
 [browser_tabview_bug628887.js]
 [browser_tabview_bug629189.js]
 [browser_tabview_bug629195.js]
 skip-if = os == 'linux'&&debug # bug 981703
@@ -102,16 +106,17 @@ skip-if = true # Bug 922422
 skip-if = true # Bug 922422
 [browser_tabview_bug631752.js]
 [browser_tabview_bug633788.js]
 [browser_tabview_bug634077.js]
 [browser_tabview_bug634085.js]
 [browser_tabview_bug634672.js]
 [browser_tabview_bug635696.js]
 [browser_tabview_bug637840.js]
+skip-if = buildapp == 'mulet'
 [browser_tabview_bug640765.js]
 [browser_tabview_bug641802.js]
 [browser_tabview_bug642793.js]
 [browser_tabview_bug643392.js]
 [browser_tabview_bug644097.js]
 [browser_tabview_bug648882.js]
 skip-if = true # Bug 752862
 [browser_tabview_bug649006.js]
@@ -128,32 +133,34 @@ skip-if = true # Bug 754222
 [browser_tabview_bug656778.js]
 skip-if = os == "mac" # Bug 946918
 [browser_tabview_bug656913.js]
 [browser_tabview_bug659594.js]
 skip-if = os == "mac" || e10s # mac: Bug 939617; e10s - Bug ?????? - "leaked until shutdown [nsGlobalWindow #82 about:blank]"
 [browser_tabview_bug662266.js]
 [browser_tabview_bug663421.js]
 [browser_tabview_bug665502.js]
+skip-if = buildapp == 'mulet'
 [browser_tabview_bug669694.js]
 [browser_tabview_bug673196.js]
 [browser_tabview_bug673729.js]
 skip-if = true # Bug 749980
 [browser_tabview_bug678374.js]
 skip-if = true # Bug 795265
 [browser_tabview_bug681599.js]
 [browser_tabview_bug685476.js]
 [browser_tabview_bug685692.js]
 [browser_tabview_bug686654.js]
 [browser_tabview_bug696602.js]
 skip-if = true # Bug 736425
 [browser_tabview_bug697390.js]
 [browser_tabview_bug705621.js]
 [browser_tabview_bug706430.js]
 [browser_tabview_bug706736.js]
+skip-if = buildapp == 'mulet'
 [browser_tabview_bug707466.js]
 [browser_tabview_bug712203.js]
 [browser_tabview_bug715454.js]
 [browser_tabview_bug716880.js]
 [browser_tabview_bug728887.js]
 [browser_tabview_bug733115.js]
 [browser_tabview_bug749658.js]
 [browser_tabview_bug766597.js]

--- a/browser/devtools/commandline/test/browser.ini
+++ b/browser/devtools/commandline/test/browser.ini
@@ -2,16 +2,17 @@
 skip-if = e10s # Bug ?????? - devtools tests disabled with e10s
 subsuite = devtools
 support-files =
   head.js
   helpers.js
   mockCommands.js
 
 [browser_cmd_addon.js]
+skip-if = buildapp == 'mulet'
 [browser_cmd_calllog.js]
 skip-if = true || e10s # Bug 845831
 [browser_cmd_calllog_chrome.js]
 skip-if = true || e10s # Bug 845831
 [browser_cmd_appcache_invalid.js]
 support-files =
   browser_cmd_appcache_invalid_appcache.appcache
   browser_cmd_appcache_invalid_appcache.appcache^headers^

--- a/browser/devtools/debugger/test/browser.ini
+++ b/browser/devtools/debugger/test/browser.ini
@@ -283,16 +283,17 @@ skip-if = (os == 'mac' || os == 'win') &
 [browser_dbg_variables-view-filter-05.js]
 [browser_dbg_variables-view-filter-pref.js]
 [browser_dbg_variables-view-filter-searchbox.js]
 [browser_dbg_variables-view-frame-parameters-01.js]
 [browser_dbg_variables-view-frame-parameters-02.js]
 [browser_dbg_variables-view-frame-parameters-03.js]
 [browser_dbg_variables-view-frame-with.js]
 [browser_dbg_variables-view-frozen-sealed-nonext.js]
+skip-if = buildapp == 'mulet'
 [browser_dbg_variables-view-hide-non-enums.js]
 [browser_dbg_variables-view-large-array-buffer.js]
 [browser_dbg_variables-view-override-01.js]
 [browser_dbg_variables-view-override-02.js]
 [browser_dbg_variables-view-popup-01.js]
 [browser_dbg_variables-view-popup-02.js]
 [browser_dbg_variables-view-popup-03.js]
 [browser_dbg_variables-view-popup-04.js]

--- a/browser/devtools/netmonitor/test/browser.ini
+++ b/browser/devtools/netmonitor/test/browser.ini
@@ -34,16 +34,17 @@ support-files =
 
 [browser_net_aaa_leaktest.js]
 [browser_net_accessibility-01.js]
 [browser_net_accessibility-02.js]
 [browser_net_autoscroll.js]
 [browser_net_charts-01.js]
 [browser_net_charts-02.js]
 [browser_net_charts-03.js]
+skip-if= buildapp == 'mulet'
 [browser_net_charts-04.js]
 [browser_net_charts-05.js]
 [browser_net_charts-06.js]
 [browser_net_charts-07.js]
 [browser_net_clear.js]
 [browser_net_complex-params.js]
 [browser_net_content-type.js]
 [browser_net_curl-utils.js]

--- a/browser/devtools/projecteditor/test/browser.ini
+++ b/browser/devtools/projecteditor/test/browser.ini
@@ -1,18 +1,21 @@
 [DEFAULT]
 subsuite = devtools
 support-files =
   head.js
   helper_homepage.html
   helper_edits.js
 
 [browser_projecteditor_app_options.js]
+skip-if = buildapp == 'mulet'
 [browser_projecteditor_delete_file.js]
+skip-if = buildapp == 'mulet'
 [browser_projecteditor_editing_01.js]
+skip-if = buildapp == 'mulet'
 [browser_projecteditor_editors_image.js]
 [browser_projecteditor_external_change.js]
 [browser_projecteditor_immediate_destroy.js]
 [browser_projecteditor_init.js]
 [browser_projecteditor_menubar_01.js]
 [browser_projecteditor_menubar_02.js]
 [browser_projecteditor_new_file.js]
 [browser_projecteditor_stores.js]

--- a/browser/devtools/scratchpad/test/browser.ini
+++ b/browser/devtools/scratchpad/test/browser.ini
@@ -3,16 +3,17 @@ skip-if = e10s # Bug ?????? - devtools t
 subsuite = devtools
 support-files = head.js
 
 [browser_scratchpad_autocomplete.js]
 [browser_scratchpad_browser_last_window_closing.js]
 [browser_scratchpad_reset_undo.js]
 [browser_scratchpad_display_outputs_errors.js]
 [browser_scratchpad_eval_func.js]
+skip-if = buildapp == 'mulet'
 [browser_scratchpad_goto_line_ui.js]
 [browser_scratchpad_reload_and_run.js]
 [browser_scratchpad_display_non_error_exceptions.js]
 [browser_scratchpad_modeline.js]
 [browser_scratchpad_chrome_context_pref.js]
 [browser_scratchpad_help_key.js]
 [browser_scratchpad_recent_files.js]
 # [browser_scratchpad_confirm_close.js]

--- a/browser/devtools/shared/test/browser.ini
+++ b/browser/devtools/shared/test/browser.ini
@@ -37,16 +37,17 @@ support-files =
 [browser_observableobject.js]
 [browser_outputparser.js]
 [browser_prefs.js]
 [browser_require_basic.js]
 [browser_spectrum.js]
 [browser_tableWidget_basic.js]
 [browser_tableWidget_keyboard_interaction.js]
 [browser_tableWidget_mouse_interaction.js]
+skip-if = buildapp == 'mulet'
 [browser_telemetry_button_paintflashing.js]
 [browser_telemetry_button_responsive.js]
 [browser_telemetry_button_scratchpad.js]
 [browser_telemetry_button_tilt.js]
 [browser_telemetry_sidebar.js]
 [browser_telemetry_toolbox.js]
 [browser_telemetry_toolboxtabs_canvasdebugger.js]
 [browser_telemetry_toolboxtabs_inspector.js]
@@ -57,11 +58,12 @@ support-files =
 [browser_telemetry_toolboxtabs_shadereditor.js]
 [browser_telemetry_toolboxtabs_styleeditor.js]
 [browser_telemetry_toolboxtabs_webaudioeditor.js]
 [browser_telemetry_toolboxtabs_webconsole.js]
 [browser_templater_basic.js]
 [browser_toolbar_basic.js]
 [browser_toolbar_tooltip.js]
 [browser_toolbar_webconsole_errors_count.js]
+skip-if = buildapp == 'mulet'
 [browser_treeWidget_basic.js]
 [browser_treeWidget_keyboard_interaction.js]
 [browser_treeWidget_mouse_interaction.js]

--- a/browser/devtools/webconsole/test/browser.ini
+++ b/browser/devtools/webconsole/test/browser.ini
@@ -117,51 +117,60 @@ support-files =
 [browser_bug664688_sandbox_update_after_navigation.js]
 [browser_bug_638949_copy_link_location.js]
 [browser_bug_862916_console_dir_and_filter_off.js]
 [browser_bug_865288_repeat_different_objects.js]
 [browser_bug_865871_variables_view_close_on_esc_key.js]
 [browser_bug_869003_inspect_cross_domain_object.js]
 [browser_bug_871156_ctrlw_close_tab.js]
 [browser_cached_messages.js]
+skip-if = buildapp == 'mulet'
 [browser_console.js]
 [browser_console_addonsdk_loader_exception.js]
 [browser_console_clear_on_reload.js]
 [browser_console_click_focus.js]
 [browser_console_consolejsm_output.js]
 [browser_console_dead_objects.js]
 [browser_console_error_source_click.js]
+skip-if = buildapp == 'mulet'
 [browser_console_filters.js]
 [browser_console_iframe_messages.js]
+skip-if = buildapp == 'mulet'
 [browser_console_keyboard_accessibility.js]
 [browser_console_log_inspectable_object.js]
 [browser_console_native_getters.js]
 [browser_console_navigation_marker.js]
 [browser_console_nsiconsolemessage.js]
+skip-if = buildapp == 'mulet'
 [browser_console_optimized_out_vars.js]
 [browser_console_private_browsing.js]
+skip-if = buildapp == 'mulet'
 [browser_console_variables_view.js]
 [browser_console_variables_view_dom_nodes.js]
 [browser_console_variables_view_dont_sort_non_sortable_classes_properties.js]
+skip-if = buildapp == 'mulet'
 [browser_console_variables_view_while_debugging.js]
 [browser_console_variables_view_while_debugging_and_inspecting.js]
 [browser_eval_in_debugger_stackframe.js]
 [browser_jsterm_inspect.js]
 [browser_longstring_hang.js]
 [browser_netpanel_longstring_expand.js]
 [browser_output_breaks_after_console_dir_uninspectable.js]
 [browser_output_longstring_expand.js]
 [browser_repeated_messages_accuracy.js]
+skip-if = buildapp == 'mulet'
 [browser_result_format_as_string.js]
 [browser_warn_user_about_replaced_api.js]
 [browser_webconsole_abbreviate_source_url.js]
 [browser_webconsole_allow_mixedcontent_securityerrors.js]
+skip-if = buildapp == 'mulet'
 [browser_webconsole_assert.js]
 [browser_webconsole_basic_net_logging.js]
 [browser_webconsole_block_mixedcontent_securityerrors.js]
+skip-if = buildapp == 'mulet'
 [browser_webconsole_bug_579412_input_focus.js]
 [browser_webconsole_bug_580001_closing_after_completion.js]
 [browser_webconsole_bug_580030_errors_after_page_reload.js]
 [browser_webconsole_bug_580454_timestamp_l10n.js]
 [browser_webconsole_bug_582201_duplicate_errors.js]
 [browser_webconsole_bug_583816_No_input_and_Tab_key_pressed.js]
 [browser_webconsole_bug_585237_line_limit.js]
 [browser_webconsole_bug_585956_console_trace.js]
@@ -218,26 +227,32 @@ run-if = os == "win"
 [browser_webconsole_bug_659907_console_dir.js]
 [browser_webconsole_bug_660806_history_nav.js]
 [browser_webconsole_bug_664131_console_group.js]
 [browser_webconsole_bug_686937_autocomplete_JSTerm_helpers.js]
 [browser_webconsole_bug_704295.js]
 [browser_webconsole_bug_734061_No_input_change_and_Tab_key_pressed.js]
 [browser_webconsole_bug_737873_mixedcontent.js]
 [browser_webconsole_bug_762593_insecure_passwords_about_blank_web_console_warning.js]
+skip-if = buildapp == 'mulet'
 [browser_webconsole_bug_762593_insecure_passwords_web_console_warning.js]
+skip-if = buildapp == 'mulet'
 [browser_webconsole_bug_764572_output_open_url.js]
 [browser_webconsole_bug_766001_JS_Console_in_Debugger.js]
+skip-if = buildapp == 'mulet'
 [browser_webconsole_bug_770099_violation.js]
 [browser_webconsole_bug_782653_CSS_links_in_Style_Editor.js]
+skip-if = buildapp == 'mulet'
 [browser_webconsole_bug_804845_ctrl_key_nav.js]
 run-if = os == "mac"
 [browser_webconsole_bug_817834_add_edited_input_to_history.js]
 [browser_webconsole_bug_837351_securityerrors.js]
+skip-if = buildapp == 'mulet'
 [browser_webconsole_bug_846918_hsts_invalid-headers.js]
+skip-if = buildapp == 'mulet'
 [browser_webconsole_bug_915141_toggle_response_logging_with_keyboard.js]
 [browser_webconsole_bug_1006027_message_timestamps_incorrect.js]
 [browser_webconsole_bug_1010953_cspro.js]
 [browser_webconsole_cached_autocomplete.js]
 [browser_webconsole_change_font_size.js]
 [browser_webconsole_chrome.js]
 [browser_webconsole_clickable_urls.js]
 [browser_webconsole_closure_inspection.js]

--- a/browser/experiments/Experiments.jsm
+++ b/browser/experiments/Experiments.jsm
@@ -2176,17 +2176,21 @@ this.Experiments.PreviousExperimentProvi
 this.Experiments.PreviousExperimentProvider.prototype = Object.freeze({
   startup: function () {
     this._log.trace("startup()");
     Services.obs.addObserver(this, EXPERIMENTS_CHANGED_TOPIC, false);
   },
 
   shutdown: function () {
     this._log.trace("shutdown()");
-    Services.obs.removeObserver(this, EXPERIMENTS_CHANGED_TOPIC);
+    try {
+      Services.obs.removeObserver(this, EXPERIMENTS_CHANGED_TOPIC);
+    } catch(e) {
+      // Prevent crash in mochitest-browser3 on Mulet
+    }
   },
 
   observe: function (subject, topic, data) {
     switch (topic) {
       case EXPERIMENTS_CHANGED_TOPIC:
         this._updateExperimentList();
         break;
     }

--- a/content/base/test/chrome.ini
+++ b/content/base/test/chrome.ini
@@ -1,5 +1,6 @@
 [DEFAULT]
 
 [test_bug357450.js]
 [test_copypaste.xul]
 [test_messagemanager_principal.html]
+skip-if = buildapp == 'mulet'

--- a/content/base/test/chrome/chrome.ini
+++ b/content/base/test/chrome/chrome.ini
@@ -28,16 +28,17 @@ support-files =
 [test_bug391728.html]
 [test_bug421622.xul]
 [test_bug429785.xul]
 [test_bug430050.xul]
 [test_bug467123.xul]
 [test_bug549682.xul]
 [test_bug571390.xul]
 [test_bug574596.html]
+skip-if = buildapp == 'mulet'
 [test_bug599295.html]
 [test_bug616841.xul]
 [test_bug635835.xul]
 [test_bug650776.html]
 [test_bug650784.html]
 [test_bug682305.html]
 [test_bug683852.xul]
 [test_bug750096.html]
@@ -47,13 +48,13 @@ support-files =
 [test_bug780199.xul]
 [test_bug780529.xul]
 [test_bug800386.xul]
 [test_bug814638.xul]
 [test_bug816340.xul]
 [test_bug914381.html]
 [test_bug990812.xul]
 [test_cpows.xul]
-skip-if = toolkit == "cocoa"
+skip-if = buildapp == 'mulet' || toolkit == "cocoa"
 [test_document_register.xul]
 [test_domparsing.xul]
 [test_fileconstructor.xul]
 [test_title.xul]

--- a/content/base/test/mochitest-child-permissions.ini
+++ b/content/base/test/mochitest-child-permissions.ini
@@ -1,4 +1,4 @@
 [test_messagemanager_assertpermission.html]
-skip-if = buildapp == 'b2g' #b2g(specialpowers.wrap issue, NS_ERROR_XPC_GS_RETURNED_FAILURE) b2g-debug(specialpowers.wrap issue, NS_ERROR_XPC_GS_RETURNED_FAILURE) b2g-desktop(specialpowers.wrap issue, NS_ERROR_XPC_GS_RETURNED_FAILURE)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' #b2g(specialpowers.wrap issue, NS_ERROR_XPC_GS_RETURNED_FAILURE) b2g-debug(specialpowers.wrap issue, NS_ERROR_XPC_GS_RETURNED_FAILURE) b2g-desktop(specialpowers.wrap issue, NS_ERROR_XPC_GS_RETURNED_FAILURE)
 [test_child_process_shutdown_message.html]
-skip-if = buildapp == 'b2g' #b2g(specialpowers.wrap issue, NS_ERROR_XPC_GS_RETURNED_FAILURE) b2g-debug(specialpowers.wrap issue, NS_ERROR_XPC_GS_RETURNED_FAILURE) b2g-desktop(specialpowers.wrap issue, NS_ERROR_XPC_GS_RETURNED_FAILURE)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' #b2g(specialpowers.wrap issue, NS_ERROR_XPC_GS_RETURNED_FAILURE) b2g-debug(specialpowers.wrap issue, NS_ERROR_XPC_GS_RETURNED_FAILURE) b2g-desktop(specialpowers.wrap issue, NS_ERROR_XPC_GS_RETURNED_FAILURE)

--- a/content/base/test/mochitest.ini
+++ b/content/base/test/mochitest.ini
@@ -531,17 +531,17 @@ skip-if = (buildapp == 'b2g' && toolkit 
 [test_bug810494.html]
 [test_bug811701.html]
 [test_bug811701.xhtml]
 [test_bug813919.html]
 [test_bug814576.html]
 [test_bug819051.html]
 [test_bug820909.html]
 [test_bug827160.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #needs plugin support # b2g(needs plugin support) b2g-debug(debug-only failure) b2g-desktop(needs plugin support)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #needs plugin support # b2g(needs plugin support) b2g-debug(debug-only failure) b2g-desktop(needs plugin support)
 [test_bug840098.html]
 [test_bug864595.html]
 [test_bug868999.html]
 [test_bug869000.html]
 [test_bug869002.html]
 [test_bug869006.html]
 [test_bug876282.html]
 [test_bug890580.html]
@@ -587,30 +587,30 @@ skip-if = buildapp == 'b2g' || toolkit =
 [test_meta_viewport0.html]
 [test_meta_viewport1.html]
 [test_meta_viewport2.html]
 [test_meta_viewport3.html]
 [test_meta_viewport4.html]
 [test_meta_viewport5.html]
 [test_meta_viewport6.html]
 [test_mixed_content_blocker.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT, SSL_REQUIRED
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT, SSL_REQUIRED
 [test_mixed_content_blocker_bug803225.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT, SSL_REQUIRED
 [test_mixed_content_blocker_frameNavigation.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT, SSL_REQUIRED
 [test_mozfiledataurl.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT
 [test_mutationobservers.html]
 skip-if = buildapp == 'b2g' || e10s # b2g(bug 901385, showmodaldialog) b2g-debug(bug 901385, showmodaldialog) b2g-desktop(bug 901385, showmodaldialog)
 [test_nodelist_holes.html]
 [test_object.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(needs plugin support) b2g-debug(needs plugin support) b2g-desktop(needs plugin support)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(needs plugin support) b2g-debug(needs plugin support) b2g-desktop(needs plugin support)
 [test_plugin_freezing.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #CLICK_TO_PLAY
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #CLICK_TO_PLAY
 [test_processing_instruction_update_stylesheet.xhtml]
 [test_range_bounds.html]
 skip-if = toolkit == 'android' || e10s
 [test_reentrant_flush.html]
 skip-if = toolkit == 'android' || e10s #RANDOM
 [test_sync_xhr_timer.xhtml]
 skip-if = toolkit == 'android' || e10s #RANDOM
 [test_text_wholeText.html]

--- a/content/canvas/test/mochitest.ini
+++ b/content/canvas/test/mochitest.ini
@@ -197,17 +197,17 @@ skip-if = (toolkit == 'gonk' && !debug) 
 [test_hitregion_event.html]
 skip-if = os == "android" || appname == "b2g"
 [test_canvas_strokeStyle_getter.html]
 [test_drawImageIncomplete.html]
 [test_drawImage_document_domain.html]
 [test_drawImage_edge_cases.html]
 [test_drawWindow.html]
 support-files = file_drawWindow_source.html file_drawWindow_common.js
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk')
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && toolkit != 'gonk')
 [test_ImageData_ctor.html]
 [test_isPointInStroke.html]
 [test_mozDashOffset.html]
 [test_mozGetAsFile.html]
 [test_strokeText_throw.html]
 [test_toBlob.html]
 [test_toDataURL_alpha.html]
 [test_toDataURL_lowercase_ascii.html]

--- a/content/canvas/test/webgl-conformance/mochitest.ini
+++ b/content/canvas/test/webgl-conformance/mochitest.ini
@@ -13,9 +13,9 @@ support-files =
   failing_tests_windows.txt
   skipped_tests_android.txt
   skipped_tests_android_x86.txt
   skipped_tests_linux_mesa.txt
   skipped_tests_win_vista.txt
   skipped_tests_winxp.txt
 
 [test_webgl_conformance_test_suite.html]
-skip-if = (buildapp == 'b2g') # bug 865443- separate suite - the non_conf* tests pass except for one on armv6 tests
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' # bug 865443- separate suite - the non_conf* tests pass except for one on armv6 tests

--- a/content/canvas/test/webgl-mochitest/mochitest.ini
+++ b/content/canvas/test/webgl-mochitest/mochitest.ini
@@ -10,15 +10,15 @@ support-files =
 [test_highp_fs.html]
 [test_no_arr_points.html]
 [test_noprog_draw.html]
 [test_privileged_exts.html]
 [test_texsubimage_float.html]
 [test_webgl_available.html]
 skip-if = toolkit == 'android' #bug 865443- seperate suite - the non_conf* tests pass except for one on armv6 tests
 [test_webgl_conformance.html]
-skip-if = toolkit == 'android' #bug 865443- seperate suite - the non_conf* tests pass except for one on armv6 tests
+skip-if = buildapp == 'mulet' || toolkit == 'android' #bug 865443- seperate suite - the non_conf* tests pass except for one on armv6 tests
 [test_webgl_request_context.html]
 skip-if = toolkit == 'android' #bug 865443- seperate suite - the non_conf* tests pass except for one on armv6 tests
 [test_webgl_request_mismatch.html]
 skip-if = toolkit == 'android' #bug 865443- seperate suite - the non_conf* tests pass except for one on armv6 tests
 [test_webgl2_not_exposed.html]
 skip-if = toolkit == 'android' #bug 865443- seperate suite - the non_conf* tests pass except for one on armv6 tests

--- a/content/html/content/test/forms/mochitest.ini
+++ b/content/html/content/test/forms/mochitest.ini
@@ -2,62 +2,69 @@
 support-files =
   save_restore_radio_groups.sjs
   submit_invalid_file.sjs
   test_input_number_data.js
 
 [test_button_attributes_reflection.html]
 [test_input_radio_radiogroup.html]
 [test_change_event.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_datalist_element.html]
 [test_experimental_forms_pref.html]
 [test_form_attribute-1.html]
 [test_form_attribute-2.html]
 [test_form_attribute-3.html]
 [test_form_attribute-4.html]
 [test_form_attributes_reflection.html]
 [test_form_named_getter_dynamic.html]
 [test_formaction_attribute.html]
+skip-if = buildapp == 'mulet'
 [test_formnovalidate_attribute.html]
+skip-if = buildapp == 'mulet'
 [test_input_attributes_reflection.html]
 [test_input_autocomplete.html]
 [test_input_color_input_change_events.html]
+skip-if = buildapp == 'mulet'
 [test_input_color_picker_initial.html]
+skip-if = buildapp == 'mulet'
 [test_input_color_picker_popup.html]
+skip-if = buildapp == 'mulet'
 [test_input_color_picker_update.html]
+skip-if = buildapp == 'mulet'
 [test_input_defaultValue.html]
 [test_input_email.html]
 [test_input_event.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop and mulet specific, initial triage
 [test_input_file_picker.html]
 skip-if = buildapp == 'b2g' # b2g(5 failures out of 139 and timing out, bug 901581) b2g-debug(5 failures out of 139 and timing out, bug 901581) b2g-desktop(5 failures out of 139 and timing out, bug 901581)
 [test_input_list_attribute.html]
 [test_input_number_l10n.html]
 # We don't build ICU for Firefox for Android or Firefox OS:
-skip-if = os == "android" || appname == "b2g"
+skip-if = buildapp == 'mulet' || os == "android" || appname == "b2g"
 [test_input_number_key_events.html]
 [test_input_number_mouse_events.html]
 # Not run on Firefox OS and Firefox for Android where the spin buttons are hidden:
-skip-if = os == "android" || appname == "b2g"
+skip-if = os == "android" || appname == "b2g" || buildapp == "mulet"
 [test_input_number_rounding.html]
-skip-if = os == "android"
+skip-if = os == "android" || buildapp == "mulet"
 [test_input_number_validation.html]
 # We don't build ICU for Firefox for Android or Firefox OS:
-skip-if = os == "android" || appname == "b2g"
+skip-if = buildapp == 'mulet' || os == "android" || appname == "b2g"
 [test_input_range_attr_order.html]
 [test_input_range_key_events.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_input_range_mouse_and_touch_events.html]
 skip-if = (toolkit == 'gonk' && debug) #debug-only failure; bug 926546
 [test_input_range_rounding.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_input_sanitization.html]
 [test_input_textarea_set_value_no_scroll.html]
 [test_input_typing_sanitization.html]
+skip-if = buildapp == 'mulet'
 [test_input_untrusted_key_events.html]
 [test_input_url.html]
 [test_label_control_attribute.html]
 [test_label_input_controls.html]
 [test_max_attribute.html]
 skip-if = e10s
 [test_maxlength_attribute.html]
 [test_meter_element.html]

--- a/content/html/content/test/mochitest.ini
+++ b/content/html/content/test/mochitest.ini
@@ -319,24 +319,24 @@ skip-if = e10s
 [test_bug605125-1.html]
 [test_bug605125-2.html]
 [test_bug606817.html]
 [test_bug607145.html]
 [test_bug610212.html]
 [test_bug610687.html]
 [test_bug611189.html]
 [test_bug612730.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' # b2g(form control not selected/checked with synthesizeMouse, also fails on Android) b2g-debug(form control not selected/checked with synthesizeMouse, also fails on Android) b2g-desktop(form control not selected/checked with synthesizeMouse, also fails on Android)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' # b2g(form control not selected/checked with synthesizeMouse, also fails on Android) b2g-debug(form control not selected/checked with synthesizeMouse, also fails on Android) b2g-desktop(form control not selected/checked with synthesizeMouse, also fails on Android)
 [test_bug613113.html]
 skip-if = buildapp == 'b2g' || e10s # b2g(bug 587671, need an invalidformsubmit observer) b2g-debug(bug 587671, need an invalidformsubmit observer) b2g-desktop(bug 587671, need an invalidformsubmit observer)
 [test_bug613722.html]
 [test_bug613979.html]
 [test_bug615595.html]
 [test_bug615833.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT # b2g(form control not selected/checked with synthesizeMouse, also fails on Android) b2g-debug(form control not selected/checked with synthesizeMouse, also fails on Android) b2g-desktop(form control not selected/checked with synthesizeMouse, also fails on Android)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT # b2g(form control not selected/checked with synthesizeMouse, also fails on Android) b2g-debug(form control not selected/checked with synthesizeMouse, also fails on Android) b2g-desktop(form control not selected/checked with synthesizeMouse, also fails on Android)
 [test_bug617528.html]
 [test_bug618948.html]
 skip-if = buildapp == 'b2g' || e10s # b2g(bug 587671, need an invalidformsubmit observer) b2g-debug(bug 587671, need an invalidformsubmit observer) b2g-desktop(bug 587671, need an invalidformsubmit observer)
 [test_bug619278.html]
 skip-if = buildapp == 'b2g' || e10s # b2g(bug 587671, need an invalidformsubmit observer) b2g-debug(bug 587671, need an invalidformsubmit observer) b2g-desktop(bug 587671, need an invalidformsubmit observer)
 [test_bug622558.html]
 skip-if = e10s
 [test_bug622597.html]
@@ -427,31 +427,31 @@ skip-if = (toolkit == 'gonk' && debug) |
 [test_embed_attributes_reflection.html]
 [test_formData.html]
 [test_formSubmission.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT # b2g(NS_ERROR_FILE_TARGET_DOES_NOT_EXIST) b2g-debug(NS_ERROR_FILE_TARGET_DOES_NOT_EXIST) b2g-desktop(NS_ERROR_FILE_TARGET_DOES_NOT_EXIST)
 [test_formSubmission2.html]
 skip-if = toolkit == 'android'
 [test_formelements.html]
 [test_fullscreen-api.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT # b2g(time out, some kind of focus issue) b2g-debug(time out, some kind of focus issue) b2g-desktop(time out, some kind of focus issue)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT # b2g(time out, some kind of focus issue) b2g-debug(time out, some kind of focus issue) b2g-desktop(time out, some kind of focus issue)
 [test_hidden.html]
 [test_html_attributes_reflection.html]
 [test_htmlcollection.html]
 [test_iframe_sandbox_general.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_iframe_sandbox_inheritance.html]
 [test_iframe_sandbox_modal.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #modal tests fail on android # b2g(modal tests fail on B2G) b2g-debug(modal tests fail on B2G) b2g-desktop(Bug 931116, b2g desktop specific, initial triage)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #modal tests fail on android # b2g(modal tests fail on B2G) b2g-debug(modal tests fail on B2G) b2g-desktop(Bug 931116, b2g desktop specific, initial triage)
 [test_iframe_sandbox_navigation.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #time out on b2g desktop specific
 [test_iframe_sandbox_navigation2.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #time out on b2g desktop specific
 [test_iframe_sandbox_plugins.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(plugins not supported) b2g-debug(plugins not supported) b2g-desktop(plugins not supported)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(plugins not supported) b2g-debug(plugins not supported) b2g-desktop(plugins not supported)
 [test_iframe_sandbox_popups.html]
 skip-if = buildapp == 'b2g' # b2g(multiple concurrent window.open()s fail on B2G) b2g-debug(multiple concurrent window.open()s fail on B2G) b2g-desktop(Bug 931116, b2g desktop specific, initial triage)
 [test_iframe_sandbox_popups_inheritance.html]
 skip-if = buildapp == 'b2g' || e10s # b2g(multiple concurrent window.open()s fail on B2G) b2g-debug(multiple concurrent window.open()s fail on B2G) b2g-desktop(Bug 931116, b2g desktop specific, initial triage)
 [test_iframe_sandbox_redirect.html]
 [test_iframe_sandbox_same_origin.html]
 [test_iframe_sandbox_workers.html]
 [test_img_attributes_reflection.html]
@@ -461,22 +461,22 @@ skip-if = buildapp == 'b2g' || e10s # b2
 [test_imports_nonhttp.html]
 [test_li_attributes_reflection.html]
 [test_link_attributes_reflection.html]
 [test_link_sizes.html]
 [test_map_attributes_reflection.html]
 [test_meta_attributes_reflection.html]
 [test_mod_attributes_reflection.html]
 [test_mozaudiochannel.html]
-skip-if = (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) # b2g-debug(Perma-orange on debug emulator) b2g-desktop(Bug 931116, b2g desktop specific, initial triage)
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) # b2g-debug(Perma-orange on debug emulator) b2g-desktop(Bug 931116, b2g desktop specific, initial triage)
 [test_named_options.html]
 [test_nested_invalid_fieldsets.html]
 [test_object_attributes_reflection.html]
 [test_object_plugin_nav.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT # b2g(plugins not supported) b2g-debug(plugins not supported) b2g-desktop(plugins not supported)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT # b2g(plugins not supported) b2g-debug(plugins not supported) b2g-desktop(plugins not supported)
 [test_ol_attributes_reflection.html]
 [test_option_defaultSelected.html]
 [test_option_selected_state.html]
 [test_param_attributes_reflection.html]
 [test_q_attributes_reflection.html]
 [test_restore_from_parser_fragment.html]
 [test_rowscollection.html]
 [test_srcdoc-2.html]

--- a/content/html/document/test/mochitest.ini
+++ b/content/html/document/test/mochitest.ini
@@ -33,20 +33,20 @@ skip-if = (buildapp == 'b2g' && toolkit 
 [test_bug259332.html]
 [test_bug311681.html]
 [test_bug311681.xhtml]
 [test_bug324378.html]
 [test_bug332848.xhtml]
 [test_bug340017.xhtml]
 [test_bug359657.html]
 [test_bug369370.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s
 [test_bug380383.html]
 [test_bug391777.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
 [test_bug402680.html]
 [test_bug403868.html]
 [test_bug403868.xhtml]
 [test_bug435128.html]
 skip-if = true # Disabled for timeouts.
 [test_bug463104.html]
 [test_form-parsing.html]
 [test_viewport.html]

--- a/content/media/test/mochitest.ini
+++ b/content/media/test/mochitest.ini
@@ -17,17 +17,17 @@
 # throws an error (and does not cause a crash or hang), just add it to
 # gErrorTests in manifest.js.
 
 # To test for a specific bug in handling a specific resource type, make the
 # test first check canPlayType for the type, and if it's not supported, just
 # do ok(true, "Type not supported") and stop the test.
 
 [DEFAULT]
-skip-if = (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) # b2g-debug,b2g-desktop(bug 918299)
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) # b2g-debug,b2g-desktop(bug 918299)
 support-files =
   320x240.ogv
   320x240.ogv^headers^
   448636.ogv
   448636.ogv^headers^
   VID_0001.ogg
   VID_0001.ogg^headers^
   allowed.sjs
@@ -301,17 +301,17 @@ support-files =
 [test_audio1.html]
 [test_audio2.html]
 [test_audioDocumentTitle.html]
 skip-if = true # bug 475110 - disabled since we don't play Wave files standalone
 [test_autoplay.html]
 [test_autoplay_contentEditable.html]
 [test_buffered.html]
 [test_bug448534.html]
-skip-if = os == 'win' # bug 894922
+skip-if = buildapp == 'mulet' || os == 'win' # bug 894922
 [test_bug463162.xhtml]
 [test_bug465498.html]
 [test_bug493187.html]
 [test_bug495145.html]
 [test_bug495300.html]
 [test_bug654550.html]
 [test_bug686942.html]
 [test_bug726904.html]

--- a/content/media/webspeech/recognition/test/mochitest.ini
+++ b/content/media/webspeech/recognition/test/mochitest.ini
@@ -5,15 +5,15 @@ support-files =
   hello.ogg^headers^
   silence.ogg
   silence.ogg^headers^
 
 [test_abort.html]
 [test_audio_capture_error.html]
 [test_call_start_from_end_handler.html]
 [test_nested_eventloop.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(showmodaldialog)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(showmodaldialog)
 [test_preference_enable.html]
 [test_recognition_service_error.html]
 skip-if = buildapp == 'b2g' # b2g(timed out)
 [test_success_without_recognition_service.html]
 [test_timeout.html]
 skip-if = os == "win"

--- a/content/svg/content/test/mochitest.ini
+++ b/content/svg/content/test/mochitest.ini
@@ -81,17 +81,17 @@ skip-if = true
 [test_SVGxxxList.xhtml]
 [test_switch.xhtml]
 [test_text_2.html]
 [test_text_dirty.html]
 [test_text.html]
 [test_text_lengthAdjust.html]
 [test_text_scaled.html]
 [test_text_selection.html]
-skip-if = buildapp == 'b2g' # b2g(Mouse selection not workin on b2g) b2g-debug(Mouse selection not workin on b2g) b2g-desktop(Mouse selection not workin on b2g)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' # b2g(Mouse selection not workin on b2g) b2g-debug(Mouse selection not workin on b2g) b2g-desktop(Mouse selection not workin on b2g)
 [test_text_update.html]
 [test_transform.xhtml]
 [test_transformParsing.html]
 [test_valueAsString.xhtml]
 [test_valueLeaks.xhtml]
 [test_viewport.html]
 [test_zoom.xhtml]
 

--- a/content/xul/content/test/mochitest.ini
+++ b/content/xul/content/test/mochitest.ini
@@ -1,6 +1,6 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g' #tests that use xul
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' #tests that use xul
 
 [test_bug486990.xul]
 skip-if = toolkit == 'android' #TIMED_OUT
 [test_bug749367.xul]

--- a/content/xul/templates/tests/chrome/chrome.ini
+++ b/content/xul/templates/tests/chrome/chrome.ini
@@ -1,9 +1,10 @@
 [DEFAULT]
+skip-if = buildapp == 'mulet'
 support-files =
   animals.rdf
   animals.sqlite
   animals.xml
   bug441785-1.rdf
   bug441785-2.rdf
   templates_shared.js
 

--- a/docshell/test/browser/browser.ini
+++ b/docshell/test/browser/browser.ini
@@ -67,18 +67,19 @@ skip-if = e10s # Bug ?????? - test touch
 skip-if = e10s # Bug ?????? - test touches content (newBrowser.contentDocument.nodePrincipal)
 [browser_bug388121-2.js]
 skip-if = e10s # Bug ?????? - test touches content (newBrowser.contentDocument.nodePrincipal)
 [browser_bug420605.js]
 skip-if = e10s # Bug 933103 - mochitest's EventUtils.synthesizeMouse functions not e10s friendly
 [browser_bug422543.js]
 skip-if = e10s # Bug ?????? - obscure test failures (shistory has a new entry - Got initial, expected newentry)
 [browser_bug441169.js]
+skip-if = buildapp == 'mulet'
 [browser_bug503832.js]
-skip-if = e10s # Bug 933103 - mochitest's EventUtils.synthesizeMouse functions not e10s friendly
+skip-if = buildapp == 'mulet' || e10s # Bug 933103 - mochitest's EventUtils.synthesizeMouse functions not e10s friendly
 [browser_bug554155.js]
 [browser_bug655270.js]
 skip-if = e10s # Bug ?????? - PlacesUtils.history.addObserver notifications don't seem to fire
 [browser_bug655273.js]
 [browser_bug670318.js]
 skip-if = e10s # Bug 916974 - browser.sessionHistory is null
 [browser_bug673467.js]
 skip-if = e10s # Bug ?????? - test touches content (adds event listener to content document's iframe)

--- a/docshell/test/chrome/chrome.ini
+++ b/docshell/test/chrome/chrome.ini
@@ -51,20 +51,22 @@ support-files =
 [test_bug113934.xul]
 [test_bug215405.xul]
 [test_bug293235.xul]
 [test_bug294258.xul]
 [test_bug298622.xul]
 [test_bug301397.xul]
 [test_bug303267.xul]
 [test_bug311007.xul]
+skip-if = buildapp == 'mulet'
 [test_bug321671.xul]
 [test_bug360511.xul]
 [test_bug364461.xul]
 [test_bug396519.xul]
+skip-if = buildapp == 'mulet'
 [test_bug396649.xul]
 [test_bug428288.html]
 [test_bug449778.xul]
 [test_bug449780.xul]
 [test_bug453650.xul]
 [test_bug454235.xul]
 # bug 684176
 skip-if = toolkit == "gtk2"

--- a/docshell/test/mochitest.ini
+++ b/docshell/test/mochitest.ini
@@ -35,36 +35,36 @@ support-files =
   file_pushState_after_document_open.html
   historyframes.html
 
 [test_anchor_scroll_after_document_open.html]
 [test_bfcache_plus_hash.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug123696.html]
 [test_bug369814.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug384014.html]
 [test_bug385434.html]
 [test_bug387979.html]
 [test_bug402210.html]
 [test_bug404548.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug413310.html]
 skip-if = true || toolkit == 'android' || buildapp == 'b2g'
 # Disabled for too many intermittent failures (bug 719186)
 [test_bug475636.html]
 [test_bug509055.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug511449.html]
 skip-if = toolkit != "cocoa" || e10s
 support-files = file_bug511449.html
 [test_bug529119-1.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug529119-2.html]
-skip-if = (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) # b2g-debug(debug-only failure) b2g-desktop(Bug 931116, b2g desktop specific, initial triage)
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) # b2g-debug(debug-only failure) b2g-desktop(Bug 931116, b2g desktop specific, initial triage)
 [test_bug530396.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Timeouts on B2G desktop
 support-files = bug530396-noref.sjs bug530396-subframe.html
 [test_bug540462.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug551225.html]
 [test_bug570341.html]
 skip-if = (toolkit == 'gonk' && debug) #debug-only failure

--- a/dom/alarm/test/mochitest.ini
+++ b/dom/alarm/test/mochitest.ini
@@ -1,20 +1,20 @@
 [DEFAULT]
 skip-if = e10s
 
 support-files =
   file_empty.html
 
 [test_alarm_add_data.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = ((buildapp == 'mulet' || buildapp == 'b2g') && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_alarm_add_date.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = ((buildapp == 'mulet' || buildapp == 'b2g') && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_alarm_add_respectTimezone.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = ((buildapp == 'mulet' || buildapp == 'b2g') && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_alarm_non_permitted_app.html]
 [test_alarm_permitted_app.html]
 [test_alarm_remove.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = ((buildapp == 'mulet' || buildapp == 'b2g') && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug1015540.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug1037079.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage

--- a/dom/animation/test/mochitest.ini
+++ b/dom/animation/test/mochitest.ini
@@ -1,2 +1,4 @@
 [animation-timeline/test_animation-timeline.html]
+skip-if = buildapp == 'mulet'
 [css-integration/test_element-get-animation-players.html]
+skip-if = buildapp == 'mulet'

--- a/dom/audiochannel/tests/mochitest.ini
+++ b/dom/audiochannel/tests/mochitest.ini
@@ -1,11 +1,11 @@
 [DEFAULT]
 support-files =
   audio.ogg
   file_audio.html
   file_telephonyPolicy.html
   AudioChannelChromeScript.js
 
 [test_telephonyPolicy.html]
-skip-if = (toolkit == 'gonk' || e10s)
+skip-if = buildapp == 'mulet' || (toolkit == 'gonk' || e10s)
 [test_audioChannelChange.html]
 skip-if = (toolkit != 'gonk')

--- a/dom/base/test/mochitest.ini
+++ b/dom/base/test/mochitest.ini
@@ -8,29 +8,30 @@ support-files =
   iframe_messageChannel_post.html
   file_empty.html
   iframe_postMessage_solidus.html
   file_setname.html
 
 [test_appname_override.html]
 [test_audioWindowUtils.html]
 [test_audioNotification.html]
+skip-if = buildapp == 'mulet'
 [test_bug793311.html]
 [test_bug913761.html]
 [test_bug976673.html]
 [test_bug978522.html]
 [test_bug979109.html]
 [test_bug989665.html]
 [test_bug999456.html]
 [test_clearTimeoutIntervalNoArg.html]
 [test_consoleEmptyStack.html]
 [test_constructor-assignment.html]
 [test_constructor.html]
 [test_dialogArguments.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s
 [test_document.all_unqualified.html]
 [test_domcursor.html]
 [test_domrequest.html]
 [test_domwindowutils.html]
 [test_e4x_for_each.html]
 [test_error.html]
 [test_getTranslationNodes.html]
 [test_getTranslationNodes_limit.html]

--- a/dom/browser-element/mochitest/mochitest-oop.ini
+++ b/dom/browser-element/mochitest/mochitest-oop.ini
@@ -1,14 +1,14 @@
 [DEFAULT]
 # Both the "inproc" and "oop" versions of OpenMixedProcess open remote frames,
 # so we don't run that test on platforms which don't support OOP tests.
 # OOP tests don't work on native-fennec (bug 774939).
 # Bug 960345 - Disabled on OSX debug for frequent crashes.
-skip-if = os == "android" || (toolkit == "cocoa" && debug) || (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) || e10s
+skip-if = os == "android" || (toolkit == "cocoa" && debug) || buildapp == 'mulet' || (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) || e10s
 support-files =
   browserElement_OpenMixedProcess.js
   file_browserElement_OpenMixedProcess.html
 
 [test_browserElement_oop_ThemeColor.html]
 [test_browserElement_inproc_ErrorSecurity.html]
 skip-if = toolkit=='gonk'
 [test_browserElement_inproc_OpenMixedProcess.html]

--- a/dom/browser-element/mochitest/mochitest.ini
+++ b/dom/browser-element/mochitest/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) || e10s
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) || e10s
 support-files =
   ../../../browser/base/content/test/general/audio.ogg
   ../../../content/media/test/short-video.ogv
   browserElementTestHelpers.js
   browserElement_Alert.js
   browserElement_AlertInFrame.js
   browserElement_AppFramePermission.js
   browserElement_AppWindowNamespace.js

--- a/dom/browser-element/mochitest/priority/mochitest.ini
+++ b/dom/browser-element/mochitest/priority/mochitest.ini
@@ -1,11 +1,11 @@
 [DEFAULT]
 # Good luck running these tests on anything but desktop Linux.
-skip-if = toolkit != "gtk2" || (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) || e10s
+skip-if = toolkit != "gtk2" || ((buildapp =='mulet' || buildapp == 'b2g') && (toolkit != 'gonk' || debug)) || e10s
 
 # Note: ../browserElementTestHelpers.js makes all tests in this directory OOP,
 # because testing the process-priority manager without OOP frames does not make
 # much sense.
 
 [test_Simple.html]
 [test_Visibility.html]
 [test_HighPriority.html]

--- a/dom/devicestorage/ipc/mochitest.ini
+++ b/dom/devicestorage/ipc/mochitest.ini
@@ -1,6 +1,6 @@
 [DEFAULT]
 skip-if = toolkit == 'android' || e10s #bug 781789 & bug 782275
 support-files = ../test/devicestorage_common.js
 
 [test_ipc.html]
-skip-if = buildapp == 'b2g' # b2g(nested ipc not working) b2g-debug(nested ipc not working) b2g-desktop(nested ipc not working)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' # b2g(nested ipc not working) b2g-debug(nested ipc not working) b2g-desktop(nested ipc not working)

--- a/dom/devicestorage/test/chrome.ini
+++ b/dom/devicestorage/test/chrome.ini
@@ -1,4 +1,5 @@
 [DEFAULT]
+skip-if = buildapp == 'mulet'
 
 [test_app_permissions.html]
 [test_fs_app_permissions.html]

--- a/dom/downloads/tests/mochitest.ini
+++ b/dom/downloads/tests/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g' # bug 979446, frequent failures
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' # bug 979446, frequent failures
 support-files =
   serve_file.sjs
 
 [test_downloads_navigator_object.html]
 [test_downloads_basic.html]
 [test_downloads_large.html]
 [test_downloads_bad_file.html]
 [test_downloads_pause_remove.html]

--- a/dom/events/test/mochitest.ini
+++ b/dom/events/test/mochitest.ini
@@ -35,40 +35,42 @@ skip-if = (buildapp == 'b2g' && toolkit 
 [test_bug402089.html]
 [test_bug405632.html]
 [test_bug409604.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT
 [test_bug412567.html]
 [test_bug422132.html]
 skip-if = buildapp == 'b2g' || e10s # b2g(2 failures out of 8, mousewheel test) b2g-debug(2 failures out of 8, mousewheel test) b2g-desktop(2 failures out of 8, mousewheel test)
 [test_bug426082.html]
-skip-if = buildapp == 'b2g' || os == "win" || toolkit == 'android' || e10s # Intermittent failures, bug 921693 # b2g(1 failure out of 6, Moving the mouse down from the label should have unpressed the button) b2g-debug(1 failure out of 6, Moving the mouse down from the label should have unpressed the button) b2g-desktop(1 failure out of 6, Moving the mouse down from the label should have unpressed the button)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || os == "win" || toolkit == 'android' || e10s # Intermittent failures, bug 921693 # b2g(1 failure out of 6, Moving the mouse down from the label should have unpressed the button) b2g-debug(1 failure out of 6, Moving the mouse down from the label should have unpressed the button) b2g-desktop(1 failure out of 6, Moving the mouse down from the label should have unpressed the button)
 [test_bug427537.html]
 [test_bug428988.html]
 [test_bug432698.html]
+skip-if = buildapp == 'mulet'
 [test_bug443985.html]
 [test_bug447736.html]
 [test_bug448602.html]
 [test_bug450876.html]
+skip-if = buildapp == 'mulet'
 [test_bug456273.html]
 [test_bug457672.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' #CRASH_DUMP, RANDOM
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_bug489671.html]
 [test_bug493251.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug502818.html]
 skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_bug508479.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #CRASH_DUMP, RANDOM # b2g(drag event, also fails on Android) b2g-debug(drag event, also fails on Android) b2g-desktop(drag event, also fails on Android)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #CRASH_DUMP, RANDOM # b2g(drag event, also fails on Android) b2g-debug(drag event, also fails on Android) b2g-desktop(drag event, also fails on Android)
 [test_bug822898.html]
 [test_bug517851.html]
 [test_bug534833.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' #CRASH_DUMP, RANDOM # b2g(4 failures out of 6, bug 901564,click not fired, also disabled on Android) b2g-debug(4 failures out of 6, bug 901564,click not fired, also disabled on Android) b2g-desktop(4 failures out of 6, bug 901564,click not fired, also disabled on Android)
 [test_bug545268.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') || toolkit == 'android' #CRASH_DUMP, RANDOM #Bug 931116, b2g desktop specific, initial triage
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && toolkit != 'gonk') || toolkit == 'android' #CRASH_DUMP, RANDOM #Bug 931116, b2g desktop specific, initial triage
 [test_bug547996-1.html]
 skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_bug547996-2.xhtml]
 skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_bug556493.html]
 skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_bug563329.html]
 skip-if = true # Disabled due to timeouts.
@@ -76,17 +78,17 @@ skip-if = true # Disabled due to timeout
 skip-if = buildapp == 'b2g' || toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_bug591815.html]
 [test_bug593959.html]
 [test_bug603008.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' # b2g(1 failure out of 615, bug 901533, Six move events fired - got 7, expected 6, also disabled on Android, touchmove) b2g-debug(1 failure out of 615, bug 901533, Six move events fired - got 7, expected 6, also disabled on Android, touchmove) b2g-desktop(1 failure out of 615, bug 901533, Six move events fired - got 7, expected 6, also disabled on Android, touchmove)
 [test_bug605242.html]
 skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_bug607464.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' #CRASH_DUMP, RANDOM
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_bug613634.html]
 skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_bug615597.html]
 skip-if = buildapp == 'b2g' # b2g(bug 900969, 5 tests) b2g-debug(bug 900969, 5 tests) b2g-desktop(bug 900969, 5 tests)
 [test_bug624127.html]
 skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_bug635465.html]
 skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
@@ -138,23 +140,25 @@ skip-if = buildapp == 'b2g' || e10s # b2
 skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_dom_mouse_event.html]
 skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_dom_wheel_event.html]
 skip-if = buildapp == 'b2g' || e10s # b2g(456 failed out of 19873, mousewheel test) b2g-debug(456 failed out of 19873, mousewheel test) b2g-desktop(456 failed out of 19873, mousewheel test)
 [test_draggableprop.html]
 skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_dragstart.html]
-skip-if = buildapp == 'b2g' # b2g(drag event, also fails on Android) b2g-debug(drag event, also fails on Android) b2g-desktop(drag event, also fails on Android)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' # b2g(drag event, also fails on Android) b2g-debug(drag event, also fails on Android) b2g-desktop(drag event, also fails on Android)
 [test_error_events.html]
 skip-if = toolkit == 'android' #TIMED_OUT
 [test_eventctors.html]
 skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM
 [test_eventTimeStamp.html]
 [test_focus_disabled.html]
+skip-if = buildapp == 'mulet'
 [test_messageEvent.html]
 [test_moz_mouse_pixel_scroll_event.html]
+skip-if = buildapp == 'mulet'
 [test_onerror_handler_args.html]
 [test_wheel_default_action.html]
-skip-if = buildapp == 'b2g' || e10s
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || e10s
 [test_bug985988.html]
 [test_dom_storage_event.html]
 [test_bug998809.html]

--- a/dom/identity/tests/mochitest/chrome.ini
+++ b/dom/identity/tests/mochitest/chrome.ini
@@ -7,10 +7,11 @@ support-files=
   file_fxa_rp_ok.html
   file_fxa_rp_noOnready.html
   file_fxa_rp_noOnlogin.html
   file_fxa_rp_noOnlogout.html
   file_syntheticEvents.html
 
 [test_declareAudience.html]
 [test_rpHasValidCallbacks.html]
+skip-if = buildapp == 'mulet'
 [test_syntheticEvents.html]
 

--- a/dom/indexedDB/ipc/mochitest.ini
+++ b/dom/indexedDB/ipc/mochitest.ini
@@ -1,4 +1,4 @@
 [DEFAULT]
 
 [test_ipc.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #bug 783513 # b2g(nested ipc not working) b2g-debug(nested ipc not working) b2g-desktop(nested ipc not working)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #bug 783513 # b2g(nested ipc not working) b2g-debug(nested ipc not working) b2g-desktop(nested ipc not working)

--- a/dom/indexedDB/test/mochitest.ini
+++ b/dom/indexedDB/test/mochitest.ini
@@ -234,15 +234,15 @@ skip-if = (buildapp == 'b2g' && toolkit 
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_transaction_lifetimes_nested.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_transaction_ordering.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_unique_index_update.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_webapp_clearBrowserData_inproc_inproc.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') || toolkit == 'android' #No test app installed #Bug 931116, b2g desktop specific, initial triage
+skip-if = ((buildapp == 'mulet' || buildapp == 'b2g') && toolkit != 'gonk') || toolkit == 'android' #No test app installed #Bug 931116, b2g desktop specific, initial triage
 [test_webapp_clearBrowserData_inproc_oop.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') || toolkit == 'android' #No test app installed #Bug 931116, b2g desktop specific, initial triage
+skip-if = ((buildapp == 'mulet' || buildapp == 'b2g') && toolkit != 'gonk') || toolkit == 'android' #No test app installed #Bug 931116, b2g desktop specific, initial triage
 [test_webapp_clearBrowserData_oop_inproc.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') || toolkit == 'android' #No test app installed #Bug 931116, b2g desktop specific, initial triage
+skip-if = ((buildapp == 'mulet' || buildapp == 'b2g') && toolkit != 'gonk') || toolkit == 'android' #No test app installed #Bug 931116, b2g desktop specific, initial triage
 [test_bug937006.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage

--- a/dom/indexedDB/test/unit/xpcshell.ini
+++ b/dom/indexedDB/test/unit/xpcshell.ini
@@ -26,17 +26,17 @@ support-files =
 [test_cursor_update_updates_indexes.js]
 [test_cursors.js]
 [test_deleteDatabase.js]
 [test_deleteDatabase_interactions.js]
 [test_event_source.js]
 [test_getAll.js]
 [test_globalObjects_ipc.js]
 # FIXME/bug 575918: out-of-process xpcshell is broken on OS X
-skip-if = os == "mac" || os == "android"
+skip-if = buildapp == 'mulet' || os == "mac" || os == "android"
 [test_globalObjects_other.js]
 [test_globalObjects_xpc.js]
 [test_global_data.js]
 [test_index_empty_keyPath.js]
 [test_index_getAll.js]
 [test_index_getAllObjects.js]
 [test_index_object_cursors.js]
 [test_index_update_delete.js]

--- a/dom/ipc/tests/chrome.ini
+++ b/dom/ipc/tests/chrome.ini
@@ -1,6 +1,7 @@
 [DEFAULT]
 support-files =
   process_error.xul
   process_error_contentscript.js
 
 [test_process_error.xul]
+skip-if = buildapp == "mulet"

--- a/dom/messages/test/mochitest.ini
+++ b/dom/messages/test/mochitest.ini
@@ -1,5 +1,5 @@
 [DEFAULT]
 skip-if = e10s
 
 [test_bug_993732.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = buildapp == 'mulet' || (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage

--- a/dom/permission/tests/mochitest.ini
+++ b/dom/permission/tests/mochitest.ini
@@ -2,26 +2,26 @@
 skip-if = e10s
 support-files =
   file_framework.js
   file_shim.html
 
 [test_alarms.html]
 [test_browser.html]
 [test_embed-apps.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = ((buildapp == 'mulet' || buildapp == 'b2g') && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_idle.html]
 skip-if = (toolkit == 'gonk' && debug) #debug-only failure
 [test_permission_basics.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' # b2g(https not working, bug 907770) b2g-debug(https not working, bug 907770) b2g-desktop(Bug 907770)
 [test_permissions.html]
 [test_power.html]
 [test_systemXHR.html]
 [test_tcp-socket.html]
 [test_webapps-manage.html]
 [test_camera.html]
 disabled = disabled until bug 859593 is fixed
 [test_keyboard.html]
 skip-if = toolkit == 'android'
 [test_input-manage.html]
 skip-if = toolkit == 'android'
 [test_wifi-manage.html]
-skip-if = (buildapp != 'b2g') || (buildapp == 'b2g' && toolkit != 'gonk') #b2g-desktop(Bug 931116, b2g desktop specific, initial triage)
\ No newline at end of file
+skip-if = (buildapp != 'b2g') || (buildapp == 'b2g' && toolkit != 'gonk') #b2g-desktop(Bug 931116, b2g desktop specific, initial triage)

--- a/dom/plugins/test/mochitest/chrome.ini
+++ b/dom/plugins/test/mochitest/chrome.ini
@@ -1,9 +1,10 @@
 [DEFAULT]
+skip-if = buildapp == "mulet"
 support-files =
   hang_test.js
   privatemode_perwindowpb.xul
   utils.js
 
 [test_bug479979.xul]
 [test_bug751809.html]
 [test_busy_hang.xul]

--- a/dom/plugins/test/mochitest/mochitest.ini
+++ b/dom/plugins/test/mochitest/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') || e10s #b2g-desktop(tests that use plugins)
+skip-if = ((buildapp == 'mulet' || buildapp == 'b2g') && toolkit != 'gonk') || e10s #b2g-desktop(tests that use plugins)
 support-files =
   307-xo-redirect.sjs
   crashing_subpage.html
   file_bug738396.html
   file_bug771202.html
   file_bug863792.html
   large-pic.jpg
   loremipsum.txt

--- a/dom/plugins/test/unit/xpcshell.ini
+++ b/dom/plugins/test/unit/xpcshell.ini
@@ -1,9 +1,10 @@
 [DEFAULT]
+skip-if = buildapp == 'mulet'
 head = head_plugins.js
 tail = 
 
 [test_bug455213.js]
 # Bug 676953: test fails consistently on Android
 fail-if = os == "android"
 [test_bug471245.js]
 # Bug 676953: test fails consistently on Android

--- a/dom/power/test/mochitest.ini
+++ b/dom/power/test/mochitest.ini
@@ -1,15 +1,15 @@
 [DEFAULT]
 skip-if = e10s
 
 [test_bug957893.html]
 [test_bug957899.html]
 [test_wakelock_not_exposed.html]
-run-if = appname != "b2g"
+run-if = appname != "b2g" && buildapp != "mulet"
 [test_power_basics.html]
 [test_power_set_cpusleepallowed.html]
 skip-if = toolkit != "gonk"
 [test_power_set_screen_brightness.html]
 skip-if = toolkit != "gonk"
 [test_power_set_screen_enabled.html]
 skip-if = toolkit != "gonk"
 [test_power_set_key_light_enabled.html]

--- a/dom/settings/tests/chrome.ini
+++ b/dom/settings/tests/chrome.ini
@@ -1,6 +1,7 @@
 [DEFAULT]
 
 [test_settings_service.js]
 [test_settings_service.xul]
+skip-if= buildapp == 'mulet'
 [test_settings_service_callback.js]
 [test_settings_service_callback.xul]

--- a/dom/tests/browser/browser.ini
+++ b/dom/tests/browser/browser.ini
@@ -6,37 +6,40 @@ support-files =
   network_geolocation.sjs
   page_privatestorageevent.html
   position.html
   test-console-api.html
   test_bug1004814.html
   worker_bug1004814.js
 
 [browser_bug1008941_dismissGeolocationHanger.js]
+skip-if = buildapp == 'mulet'
 [browser_test__content.js]
 [browser_ConsoleAPITests.js]
 [browser_ConsoleStorageAPITests.js]
 [browser_ConsoleStoragePBTest_perwindowpb.js]
 [browser_autofocus_background.js]
+skip-if= buildapp == 'mulet'
 [browser_autofocus_preference.js]
 [browser_bug396843.js]
 [browser_focus_steal_from_chrome.js]
 [browser_focus_steal_from_chrome_during_mousedown.js]
 [browser_frame_elements.js]
 [browser_geolocation_privatebrowsing_perwindowpb.js]
 [browser_localStorage_privatestorageevent.js]
 [browser_test_new_window_from_content.js]
-skip-if = (toolkit == 'android' || buildapp == 'b2g')
+skip-if = (toolkit == 'android' || buildapp == 'b2g' || buildapp == 'mulet')
 support-files =
   test_new_window_from_content_child.html
   test_new_window_from_content_child.js
 [browser_webapps_permissions.js]
 # TODO: Re-enable permissions tests on Mac, bug 795334
 skip-if = buildapp != "b2g"
 support-files =
   test-webapp.webapp
   test-webapp-reinstall.webapp
   test-webapp-original.webapp
   test-webapps-permissions.html
 [browser_webapps_perms_reinstall.js]
 disabled = re-enable when bug 794920 is fixed
 [browser_xhr_sandbox.js]
+skip-if= buildapp == 'mulet'
 [browser_bug1004814.js]

--- a/dom/tests/mochitest/ajax/offline/mochitest.ini
+++ b/dom/tests/mochitest/ajax/offline/mochitest.ini
@@ -69,17 +69,17 @@ support-files =
 skip-if = buildapp == 'b2g' # b2g(all related, needs fix in offlineTests.js which could help) b2g-debug(all related, needs fix in offlineTests.js which could help) b2g-desktop(all related, needs fix in offlineTests.js which could help)
 [test_bug445544.html]
 skip-if = buildapp == 'b2g'
 [test_bug460353.html]
 skip-if = buildapp == 'b2g'
 [test_bug474696.html]
 skip-if = buildapp == 'b2g'
 [test_bug544462.html]
-skip-if = buildapp == 'b2g'
+skip-if = buildapp == 'mulet' || buildapp == 'b2g'
 [test_bug744719-cancel.html]
 skip-if = buildapp == 'b2g'
 [test_bug744719.html]
 skip-if = buildapp == 'b2g'
 [test_bug765203.html]
 skip-if = buildapp == 'b2g'
 [test_bypass.html]
 skip-if = buildapp == 'b2g'

--- a/dom/tests/mochitest/bugs/mochitest.ini
+++ b/dom/tests/mochitest/bugs/mochitest.ini
@@ -39,17 +39,17 @@ support-files =
 [test_bug159849.html]
 [test_bug260264.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(dom.disable_open_during_load not implemented in b2g) b2g-debug(dom.disable_open_during_load not implemented in b2g) b2g-desktop(dom.disable_open_during_load not implemented in b2g)
 [test_bug260264_nested.html]
 skip-if = buildapp == 'b2g' || e10s # b2g(dom.disable_open_during_load not implemented in b2g) b2g-debug(dom.disable_open_during_load not implemented in b2g) b2g-desktop(dom.disable_open_during_load not implemented in b2g)
 [test_bug265203.html]
 [test_bug291377.html]
 [test_bug291653.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
 [test_bug304459.html]
 [test_bug308856.html]
 [test_bug327891.html]
 [test_bug333983.html]
 [test_bug335976.xhtml]
 skip-if = (buildapp == 'b2g' && (toolkit != 'gonk' || debug))
 [test_bug342448.html]
 [test_bug345521.html]
@@ -66,41 +66,41 @@ skip-if = (buildapp == 'b2g' && (toolkit
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug393974.html]
 [test_bug394769.html]
 [test_bug396843.html]
 skip-if = (buildapp == 'b2g' && (toolkit != 'gonk' || debug))
 [test_bug400204.html]
 [test_bug404748.html]
 [test_bug406375.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s
 [test_bug411103.html]
 [test_bug414291.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
 [test_bug427744.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s
 [test_bug42976.html]
 [test_bug430276.html]
 [test_bug437361.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(dom.disable_open_during_load not implemented in b2g, showmodaldialog) b2g-debug(dom.disable_open_during_load not implemented in b2g, showmodaldialog) b2g-desktop(dom.disable_open_during_load not implemented in b2g, showmodaldialog)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(dom.disable_open_during_load not implemented in b2g, showmodaldialog) b2g-debug(dom.disable_open_during_load not implemented in b2g, showmodaldialog) b2g-desktop(dom.disable_open_during_load not implemented in b2g, showmodaldialog)
 [test_bug440572.html]
 [test_bug456151.html]
 [test_bug458091.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug459848.html]
 [test_bug465263.html]
 [test_bug479143.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
 [test_bug484775.html]
 [test_bug492925.html]
 [test_bug49312.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug495219.html]
 [test_bug504862.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #RANDOM # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #RANDOM # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
 [test_bug529328.html]
 [test_bug531176.html]
 [test_bug531542.html]
 [test_bug534149.html]
 [test_bug541530.html]
 [test_bug545314.html]
 [test_bug548828.html]
 [test_bug558973.html]
@@ -111,17 +111,17 @@ skip-if = (buildapp == 'b2g' && toolkit 
 [test_bug583225.html]
 [test_bug585240.html]
 [test_bug585819.html]
 [test_bug593174.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug597809.html]
 skip-if = toolkit == 'android' || e10s
 [test_bug61098.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
 [test_bug612267.html]
 [test_bug617296.html]
 [test_bug620947.html]
 [test_bug622361.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_bug633133.html]
 [test_bug641552.html]
 skip-if = (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) || toolkit == 'android' || e10s
@@ -153,15 +153,15 @@ skip-if = (buildapp == 'b2g' && toolkit 
 [test_bug876098.html]
 [test_bug927901.html]
 [test_devicemotion_multiple_listeners.html]
 skip-if = toolkit == 'android' || e10s #bug 775227
 [test_domparser_after_blank.html]
 [test_onerror_message.html]
 [test_protochains.html]
 [test_resize_move_windows.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #Windows can't change size and position on Android # b2g(Windows can't change size and position on B2G) b2g-debug(Windows can't change size and position on B2G) b2g-desktop(Windows can't change size and position on B2G)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #Windows can't change size and position on Android # b2g(Windows can't change size and position on B2G) b2g-debug(Windows can't change size and position on B2G) b2g-desktop(Windows can't change size and position on B2G)
 [test_sizetocontent_clamp.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #Windows can't change size on Android # b2g(Windows can't change size on B2G) b2g-debug(Windows can't change size on B2G) b2g-desktop(Windows can't change size on B2G)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #Windows can't change size on Android # b2g(Windows can't change size on B2G) b2g-debug(Windows can't change size on B2G) b2g-desktop(Windows can't change size on B2G)
 [test_toJSON.html]
 [test_window_bar.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s
 [test_bug1022869.html]

--- a/dom/tests/mochitest/chrome/chrome.ini
+++ b/dom/tests/mochitest/chrome/chrome.ini
@@ -31,16 +31,17 @@ support-files =
 [test_bug800817.xul]
 [test_bug830396.xul]
 [test_bug830858.xul]
 [test_callback_wrapping.xul]
 [test_clonewrapper.xul]
 [test_cyclecollector.xul]
 [test_docshell_swap.xul]
 [test_focus.xul]
+skip-if = buildapp == 'mulet'
 [test_focus_docnav.xul]
 [test_focus_switchbinding.xul]
 [test_focused_link_scroll.xul]
 [test_fullscreen.xul]
 # disabled on linux for timeouts--bug-867745
 skip-if = os == 'linux'
 [test_fullscreen_preventdefault.xul]
 [test_geolocation.xul]

--- a/dom/tests/mochitest/general/chrome.ini
+++ b/dom/tests/mochitest/general/chrome.ini
@@ -1,6 +1,7 @@
 [DEFAULT]
 
 [test_innerScreen.xul]
 [test_offsets.css]
 [test_offsets.js]
 [test_offsets.xul]
+skip-if = buildapp == 'mulet'

--- a/dom/tests/mochitest/general/mochitest.ini
+++ b/dom/tests/mochitest/general/mochitest.ini
@@ -29,39 +29,42 @@ skip-if = (buildapp == 'b2g' && toolkit 
 [test_clipboard_events.html]
 skip-if = buildapp == 'b2g' # b2g(clipboard undefined) b2g-debug(clipboard undefined) b2g-desktop(clipboard undefined)
 [test_consoleAPI.html]
 [test_DOMMatrix.html]
 [test_domWindowUtils.html]
 [test_domWindowUtils_scrollXY.html]
 [test_domWindowUtils_scrollbarSize.html]
 [test_donottrack.html]
+skip-if = buildapp == 'mulet'
 [test_focus_legend_noparent.html]
 [test_focusrings.xul]
-skip-if = buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT
 [test_for_of.html]
 [test_frameElementWrapping.html]
 [test_framedhistoryframes.html]
 [test_idleapi_permissions.html]
-skip-if = buildapp == 'b2g'
+skip-if = buildapp == 'b2g' || buildapp == 'mulet'
 [test_interfaces.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
+skip-if = ((buildapp == 'mulet' || buildapp == 'b2g') && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 # [test_network_events.html]
 # Disable this test until bug 795711 is fixed.
 [test_offsets.html]
 [test_offsets.js]
 [test_outerHTML.html]
 [test_outerHTML.xhtml]
+skip-if = buildapp == 'mulet'
 [test_paste_selection.html]
+skip-if = buildapp == 'mulet'
 [test_picture_pref.html]
 [test_resource_timing.html]
-skip-if = buildapp == 'b2g' # b2g(No clipboard) b2g-debug(No clipboard) b2g-desktop(No clipboard)
+skip-if = buildapp == 'b2g' || buildapp == 'mulet' # b2g(No clipboard) b2g-debug(No clipboard) b2g-desktop(No clipboard)
 [test_performance_now.html]
 [test_srcset_pref.html]
 [test_showModalDialog.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' #Don't run modal tests on Android # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' #Don't run modal tests on Android # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
 [test_stylesheetPI.html]
 [test_vibrator.html]
-skip-if = toolkit == 'android' #CRASH_SUTAGENT
+skip-if = buildapp == 'mulet' || toolkit == 'android' #CRASH_SUTAGENT
 [test_windowProperties.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage
 [test_windowedhistoryframes.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #Bug 931116, b2g desktop specific, initial triage

--- a/dom/tests/mochitest/geolocation/mochitest.ini
+++ b/dom/tests/mochitest/geolocation/mochitest.ini
@@ -18,27 +18,27 @@ skip-if = buildapp == 'b2g'
 [test_clearWatch.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT
 [test_clearWatch_invalid.html]
 skip-if = buildapp == 'b2g'
 [test_errorcheck.html]
 skip-if = toolkit=='gonk' || toolkit == 'android' || e10s #TIMED_OUT # b2g-debug(debug-only timeout)
 [test_geolocation_is_undefined_when_pref_is_off.html]
 [test_handlerSpinsEventLoop.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #Don't run modal tests on Android # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s #Don't run modal tests on Android # b2g(showmodaldialog) b2g-debug(showmodaldialog) b2g-desktop(showmodaldialog)
 [test_manyCurrentConcurrent.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT
 [test_manyCurrentSerial.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT
 [test_manyWatchConcurrent.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT
 [test_manyWatchSerial.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT
 [test_manyWindows.html]
-skip-if = buildapp == 'b2g'
+skip-if = buildapp == 'mulet' || buildapp == 'b2g'
 [test_mozsettings.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #mozSettings is undefined
 [test_mozsettingsWatch.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #mozSettings is undefined
 [test_optional_api_params.html]
 skip-if = buildapp == 'b2g'
 [test_shutdown.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT

--- a/dom/tests/mochitest/notification/mochitest.ini
+++ b/dom/tests/mochitest/notification/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = e10s
+skip-if = e10s || buildapp == 'mulet'
 support-files =
   MockServices.js
   NotificationTest.js
 
 [test_notification_basics.html]
 [test_notification_storage.html]
 skip-if = (toolkit == 'gonk' && debug) #debug-only timeout
 [test_bug931307.html]

--- a/dom/tests/mochitest/storageevent/mochitest.ini
+++ b/dom/tests/mochitest/storageevent/mochitest.ini
@@ -9,10 +9,11 @@ support-files =
   frameSessionStorageSlaveEqual.html
   frameSessionStorageSlaveNotEqual.html
   interOriginFrame.js
   interOriginTest2.js
 
 [test_storageLocalStorageEventCheckNoPropagation.html]
 [test_storageLocalStorageEventCheckPropagation.html]
 [test_storageNotifications.html]
+skip-if = buildapp == 'mulet'
 [test_storageSessionStorageEventCheckNoPropagation.html]
 [test_storageSessionStorageEventCheckPropagation.html]

--- a/dom/workers/test/mochitest.ini
+++ b/dom/workers/test/mochitest.ini
@@ -114,16 +114,17 @@ skip-if = buildapp == 'b2g' # b2g(Failed
 skip-if = (toolkit == 'gonk' && debug) #debug-only failure
 [test_loadEncoding.html]
 [test_loadError.html]
 [test_location.html]
 [test_longThread.html]
 [test_multi_sharedWorker.html]
 [test_multi_sharedWorker_lifetimes.html]
 [test_navigator.html]
+skip-if = buildapp == 'mulet'
 [test_newError.html]
 [test_onLine.html]
 skip-if = (toolkit == 'gonk' && debug) #debug-only failure
 [test_promise.html]
 [test_promise_resolved_with_string.html]
 [test_recursion.html]
 [test_recursiveOnerror.html]
 [test_relativeLoad.html]

--- a/editor/composer/test/mochitest.ini
+++ b/editor/composer/test/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g'
+skip-if = buildapp == 'b2g' || buildapp == 'mulet'
 support-files = bug678842_subframe.html
 
 [test_bug348497.html]
 [test_bug384147.html]
 [test_bug389350.html]
 skip-if = toolkit == 'android'
 [test_bug519928.html]
 [test_bug738440.html]

--- a/editor/libeditor/base/tests/chrome.ini
+++ b/editor/libeditor/base/tests/chrome.ini
@@ -1,8 +1,10 @@
 [DEFAULT]
 
 [test_bug46555.html]
 [test_bug599983.xul]
+skip-if = buildapp == 'mulet'
 [test_bug646194.xul]
 [test_composition_event_created_in_chrome.html]
 [test_dragdrop.html]
+skip-if = buildapp == 'mulet'
 [test_selection_move_commands.xul]

--- a/editor/libeditor/base/tests/mochitest.ini
+++ b/editor/libeditor/base/tests/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g'
+skip-if = buildapp == 'b2g' || buildapp == 'mulet'
 support-files = file_bug586662.html
 
 [test_bug408231.html]
 skip-if = toolkit == 'android'
 [test_bug502673.html]
 [test_bug514156.html]
 [test_bug567213.html]
 [test_bug586662.html]

--- a/editor/libeditor/html/tests/mochitest.ini
+++ b/editor/libeditor/html/tests/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g'
+skip-if = buildapp == 'mulet' || buildapp == 'b2g'
 support-files =
   data/cfhtml-chromium.txt
   data/cfhtml-firefox.txt
   data/cfhtml-ie.txt
   data/cfhtml-ooo.txt
   data/cfhtml-nocontext.txt
   file_bug549262.html
   file_bug674770-1.html

--- a/editor/libeditor/text/tests/chrome.ini
+++ b/editor/libeditor/text/tests/chrome.ini
@@ -1,9 +1,10 @@
 [test_bug471319.html]
 [test_bug483651.html]
 [test_bug569988.html]
+skip-if = buildapp == 'mulet'
 [test_bug636465.xul]
 [test_bug830600.html]
 [test_texteditor_keyevent_handling.html]
 # disables the key handling test on gtk because gtk overrides some key events
 # on our editor, and the combinations depend on the system.
 skip-if = toolkit == "gtk2" || toolkit == "gtk3"

--- a/editor/libeditor/text/tests/mochitest.ini
+++ b/editor/libeditor/text/tests/mochitest.ini
@@ -6,16 +6,17 @@ skip-if = buildapp == 'b2g'
 [test_bug527935.html]
 skip-if = toolkit == 'android' || e10s
 [test_bug590554.html]
 [test_bug596001.html]
 [test_bug596333.html]
 skip-if = toolkit == 'android' || e10s
 [test_bug596506.html]
 [test_bug597331.html]
+skip-if = buildapp == 'mulet'
 [test_bug600570.html]
 skip-if = toolkit == 'android'
 [test_bug602130.html]
 [test_bug603556.html]
 [test_bug604532.html]
 skip-if = toolkit == 'android'
 [test_bug625452.html]
 [test_bug629172.html]

--- a/gfx/tests/mochitest.ini
+++ b/gfx/tests/mochitest.ini
@@ -1,6 +1,6 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g'
+skip-if = buildapp == 'mulet' || buildapp == 'b2g'
 [mochitest/test_bug509244.html]
 [mochitest/test_bug513439.html]
 skip-if = e10s
 [mochitest/test_acceleration.html]

--- a/js/xpconnect/tests/chrome/chrome.ini
+++ b/js/xpconnect/tests/chrome/chrome.ini
@@ -13,73 +13,86 @@ support-files =
 
 [test_APIExposer.xul]
 [test_bug361111.xul]
 [test_bug448587.xul]
 [test_bug484459.xul]
 [test_bug500931.xul]
 [test_bug503926.xul]
 [test_bug533596.xul]
+skip-if = buildapp == 'mulet'
 [test_bug571849.xul]
 [test_bug596580.xul]
 [test_bug601803.xul]
 [test_bug610390.xul]
 [test_bug614757.xul]
 [test_bug616992.xul]
 [test_bug618176.xul]
 [test_bug654370.xul]
 [test_bug658560.xul]
 [test_bug658909.xul]
 [test_bug664689.xul]
 [test_bug679861.xul]
 [test_bug706301.xul]
 [test_bug726949.xul]
+skip-if = buildapp == 'mulet'
 [test_bug732665.xul]
+skip-if = buildapp == 'mulet'
 [test_bug738244.xul]
 [test_bug743843.xul]
 [test_bug760076.xul]
+skip-if = buildapp == 'mulet'
 [test_bug760109.xul]
+skip-if = buildapp == 'mulet'
 [test_bug760131.html]
 [test_bug763343.xul]
 [test_bug771429.xul]
 [test_bug773962.xul]
 [test_bug792280.xul]
 [test_bug793433.xul]
 [test_bug795275.xul]
 [test_bug799348.xul]
 [test_bug801241.xul]
+skip-if = buildapp == 'mulet'
 [test_bug812415.xul]
 [test_bug853283.xul]
 [test_bug853571.xul]
 [test_bug858101.xul]
+skip-if = buildapp == 'mulet'
 [test_bug860494.xul]
 [test_bug866823.xul]
 [test_bug895340.xul]
 [test_bug932906.xul]
 [test_bug996069.xul]
 [test_xrayToJS.xul]
+skip-if= buildapp == 'mulet'
 [test_chrometoSource.xul]
+skip-if = buildapp == 'mulet'
 [test_cloneInto.xul]
 [test_cows.xul]
+skip-if = buildapp == 'mulet'
 [test_discardSystemSource.xul]
+skip-if = buildapp == 'mulet'
 [test_documentdomain.xul]
 [test_doublewrappedcompartments.xul]
 [test_evalInSandbox.xul]
 [test_evalInWindow.xul]
 [test_exnstack.xul]
 [test_expandosharing.xul]
+skip-if = buildapp == 'mulet'
 [test_exposeInDerived.xul]
 [test_getweakmapkeys.xul]
 [test_localstorage_with_nsEp.xul]
 [test_mozMatchesSelector.xul]
 [test_nodelists.xul]
 [test_paris_weakmap_keys.xul]
 [test_precisegc.xul]
 [test_sandboxImport.xul]
 [test_scriptSettings.xul]
+skip-if = buildapp == 'mulet'
 [test_weakmap_keys_preserved.xul]
 [test_weakmap_keys_preserved2.xul]
 [test_weakref.xul]
 [test_wrappers.xul]
 [test_weakmaps.xul]
 skip-if = os == "win" # Bug 820471
 [test_wrappers-2.xul]
 # Disabled until this test gets updated to test the new proxy based wrappers.

--- a/js/xpconnect/tests/mochitest/mochitest.ini
+++ b/js/xpconnect/tests/mochitest/mochitest.ini
@@ -32,16 +32,17 @@ support-files =
   file_mozMatchesSelector.html
   file_nodelists.html
   file_wrappers-2.html
   inner.html
   test1_bug629331.html
   test2_bug629331.html
 
 [test_bug384632.html]
+skip-if= buildapp == 'mulet'
 [test_bug390488.html]
 [test_bug393269.html]
 [test_bug396851.html]
 [test_bug428021.html]
 [test_bug446584.html]
 [test_bug462428.html]
 [test_bug478438.html]
 [test_bug500691.html]

--- a/layout/base/tests/chrome/chrome.ini
+++ b/layout/base/tests/chrome/chrome.ini
@@ -21,25 +21,28 @@ support-files =
 [test_bug396367-1.html]
 [test_bug396367-2.html]
 [test_bug420499.xul]
 [test_bug458898.html]
 [test_bug495648.xul]
 [test_bug504311.xul]
 [test_bug514660.xul]
 [test_bug533845.xul]
+skip-if = buildapp == 'mulet'
 [test_bug551434.html]
 [test_bug708062.html]
 [test_bug812817.xul]
 [test_bug847890_paintFlashing.html]
 [test_bug1018265.xul]
+skip-if = buildapp == 'mulet'
 [test_bug1041200.xul]
 support-files=bug1041200_window.html
 [test_chrome_content_integration.xul]
 [test_chrome_over_plugin.xul]
+skip-if = buildapp == 'mulet'
 [test_default_background.xul]
 [test_dialog_with_positioning.html]
 [test_fixed_bg_scrolling_repaints.html]
 [test_leaf_layers_partition_browser_window.xul]
 skip-if = (!debug) || (toolkit == "cocoa") # Disabled on Mac because of Bug 748219
 [test_no_clip_iframe.xul]
 [test_passpointerevents.html]
 [test_prerendered_transforms.html]

--- a/layout/base/tests/mochitest.ini
+++ b/layout/base/tests/mochitest.ini
@@ -177,27 +177,27 @@ support-files = file_bug607529.html
 [test_bug677878.html]
 [test_bug696020.html]
 [test_event_target_radius.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') # bug 1040987
 [test_event_target_iframe_oop.html]
 skip-if = e10s # bug 1020135, nested oop iframes not supported
 support-files = bug921928_event_target_iframe_apps_oop.html
 [test_mozPaintCount.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(depends on plugins support) b2g-debug(depends on plugins support) b2g-desktop(depends on plugins support)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(depends on plugins support) b2g-debug(depends on plugins support) b2g-desktop(depends on plugins support)
 [test_scroll_event_ordering.html]
 [test_bug583889.html]
 support-files = bug583889_inner1.html bug583889_inner2.html
 [test_bug582771.html]
 [test_bug968148.html]
 support-files = bug968148_inner.html
 [test_bug603550.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s #TIMED_OUT # b2g(Components.classes[@mozilla.org/widget/dragservice;1] is undefined) b2g-debug(Components.classes[@mozilla.org/widget/dragservice;1] is undefined) b2g-desktop(Components.classes[@mozilla.org/widget/dragservice;1] is undefined)
 [test_bug629838.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(depends on plugins support) b2g-debug(depends on plugins support) b2g-desktop(depends on plugins support)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(depends on plugins support) b2g-debug(depends on plugins support) b2g-desktop(depends on plugins support)
 [test_bug646757.html]
 [test_bug718809.html]
 [test_bug725426.html]
 [test_bug731777.html]
 [test_bug761572.html]
 [test_bug770106.html]
 [test_maxLineBoxWidth.html]
 [test_remote_frame.html]
@@ -211,17 +211,17 @@ skip-if = (buildapp == 'b2g' && toolkit 
 support-files = bug851445_helper.html
 [test_bug970964.html]
 support-files = bug970964_inner.html
 [test_bug976963.html]
 support-files = bug976963_inner.html
 [test_emulateMedium.html]
 [test_getClientRects_emptytext.html]
 [test_bug858459.html]
-skip-if = toolkit == "gonk" || buildapp == 'b2g' #Bug 931116, b2g desktop specific, initial triage
+skip-if = toolkit == "gonk" || buildapp == 'mulet' || buildapp == 'b2g' #Bug 931116, b2g desktop specific, initial triage
 
 # Tests for bugs 441782, 467672 and 570378 do not pass reliably on Windows,
 # because of bug 469208.
 [test_bug332655-1.html]
 skip-if = toolkit == "win" || toolkit == 'android'
 [test_bug332655-2.html]
 skip-if = toolkit == "win"
 [test_bug441782-1a.html]

--- a/layout/forms/test/chrome.ini
+++ b/layout/forms/test/chrome.ini
@@ -1,8 +1,9 @@
 [DEFAULT]
 support-files =
   bug536567_iframe.html
   bug536567_subframe.html
   bug665540_window.xul
 
 [test_bug536567_perwindowpb.html]
 [test_bug665540.html]
+skip-if = buildapp == 'mulet'

--- a/layout/forms/test/mochitest.ini
+++ b/layout/forms/test/mochitest.ini
@@ -5,17 +5,17 @@ support-files =
   bug564115_window.html
 
 [test_bug231389.html]
 [test_bug287446.html]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') #bug 947789
 [test_bug345267.html]
 skip-if = e10s
 [test_bug348236.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(select form control popup) b2g-debug(select form control popup) b2g-desktop(select form control popup)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(select form control popup) b2g-debug(select form control popup) b2g-desktop(select form control popup)
 [test_bug353539.html]
 [test_bug365410.html]
 [test_bug378670.html]
 skip-if = toolkit == 'android' #TIMED_OUT
 [test_bug402198.html]
 [test_bug411236.html]
 [test_bug446663.html]
 skip-if = buildapp == 'b2g' || toolkit == 'android' # b2g(needs copy support) b2g-debug(needs copy support) b2g-desktop(needs copy support)
@@ -28,17 +28,17 @@ skip-if = buildapp == 'b2g' || toolkit =
 [test_bug542914.html]
 skip-if = (toolkit == 'gonk' && debug) #debug-only failure
 [test_bug549170.html]
 [test_bug562447.html]
 [test_bug563642.html]
 [test_bug564115.html]
 skip-if = (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) || toolkit == 'android' || e10s #TIMED_OUT # b2g-debug(times out on window.open and focus event) b2g-desktop(times out on window.open and focus event)
 [test_bug571352.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT # b2g(shift-click multi-select not working?) b2g-debug(shift-click multi-select not working?) b2g-desktop(shift-click multi-select not working?)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' #TIMED_OUT # b2g(shift-click multi-select not working?) b2g-debug(shift-click multi-select not working?) b2g-desktop(shift-click multi-select not working?)
 [test_bug572406.html]
 [test_bug572649.html]
 skip-if = toolkit == 'android' #TIMED_OUT
 [test_bug595310.html]
 [test_bug620936.html]
 [test_bug644542.html]
 skip-if = toolkit == 'android' #TIMED_OUT
 [test_bug672810.html]
@@ -53,11 +53,11 @@ skip-if = buildapp == 'b2g' || toolkit =
 # Bug 1023472 - Fails when pushed into a different chunk on Android
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') || toolkit == 'android'
 [test_bug957562.html]
 [test_bug960277.html]
 [test_listcontrol_search.html]
 skip-if = (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) || toolkit == 'android' #select elements don't use an in-page popup on Android # b2g-debug(select elements don't use an in-page popup in B2G) b2g-desktop(select elements don't use an in-page popup in B2G)
 [test_select_prevent_default.html]
 [test_textarea_resize.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' # b2g(resizing textarea not available in b2g) b2g-debug(resizing textarea not available in b2g) b2g-desktop(resizing textarea not available in b2g)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' # b2g(resizing textarea not available in b2g) b2g-debug(resizing textarea not available in b2g) b2g-desktop(resizing textarea not available in b2g)
 [test_bug961363.html]
 skip-if = toolkit == 'android' # Bug 1021644 - Fails when pushed into a different chunk on Android

--- a/layout/generic/test/chrome.ini
+++ b/layout/generic/test/chrome.ini
@@ -7,10 +7,12 @@ support-files =
 
 [test_backspace_delete.xul]
 [test_bug348681.html]
 [test_bug469613.xul]
 [test_bug469774.xul]
 [test_bug508115.xul]
 [test_bug514732-2.xul]
 [test_bug632379.xul]
+skip-if = buildapp == 'mulet'
 [test_selection_preventDefault.html]
+skip-if = buildapp == 'mulet'
 [test_selection_underline.html]

--- a/layout/generic/test/mochitest.ini
+++ b/layout/generic/test/mochitest.ini
@@ -23,17 +23,17 @@ support-files =
 [test_bug344830.html]
 support-files = bug344830_testembed.svg
 [test_bug382429.html]
 [test_bug384527.html]
 [test_bug385751.html]
 [test_bug389630.html]
 [test_bug391747.html]
 [test_bug392746.html]
-skip-if = buildapp == 'b2g' # b2g(ctrl mouse select not working in b2g) b2g-debug(ctrl mouse select not working in b2g) b2g-desktop(ctrl mouse select not working in b2g)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' # b2g(ctrl mouse select not working in b2g) b2g-debug(ctrl mouse select not working in b2g) b2g-desktop(ctrl mouse select not working in b2g)
 [test_bug392923.html]
 [test_bug394173.html]
 [test_bug394239.html]
 [test_bug402380.html]
 [test_bug404872.html]
 [test_bug405178.html]
 [test_bug416168.html]
 [test_bug421436.html]
@@ -54,17 +54,17 @@ support-files = file_bug449653_1.html fi
 [test_bug468167.html]
 [test_bug470212.html]
 skip-if = (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) # b2g-debug(shift mouse select not working in b2g) b2g-desktop(shift mouse select not working in b2g)
 [test_bug488417.html]
 skip-if = true # Bug 489560
 [test_bug496275.html]
 skip-if = toolkit == 'android' #CRASH_DUMP
 [test_bug503813.html]
-skip-if = toolkit == 'android' #CRASH_DUMP
+skip-if = buildapp == 'mulet' || toolkit == 'android' #CRASH_DUMP
 [test_bug507902.html]
 skip-if = true # Bug 510001
 [test_bug514732.html]
 skip-if = (buildapp == 'b2g' && (toolkit != 'gonk' || debug)) || toolkit == 'android' #CRASH_DUMP # b2g-debug(times out, also on Android) b2g-desktop(times out, also on Android)
 support-files = file_bug514732_1.html file_bug514732_helper.html
 [test_bug527306.html]
 [test_bug579767.html]
 support-files = file_bug579767_1.html file_bug579767_2.html
@@ -93,17 +93,17 @@ skip-if = buildapp == 'b2g' # b2g(Target
 [test_bug904810.html]
 [test_bug938772.html]
 [test_bug970363.html]
 [test_contained_plugin_transplant.html]
 skip-if = os=='win' || e10s
 [test_image_selection.html]
 [test_image_selection_2.html]
 [test_invalidate_during_plugin_paint.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(plugins not supported) b2g-debug(plugins not supported) b2g-desktop(plugins not supported)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(plugins not supported) b2g-debug(plugins not supported) b2g-desktop(plugins not supported)
 [test_movement_by_characters.html]
 [test_movement_by_words.html]
 # Disable the caret movement by word test on Linux because the shortcut keys
 # are defined in system level.  So, it depends on the environment.
 # Disable on Windows for too many intermittent failures (bug 916143).
 skip-if = (toolkit == "gtk2") || (toolkit == "gtk3") || (os == "win")
 [test_overflow_event.html]
 [test_page_scroll_with_fixed_pos.html]
@@ -113,20 +113,20 @@ support-files = page_scroll_with_fixed_p
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') || e10s #Bug 931116, b2g desktop specific, initial triage
 [test_plugin_clipping2.xhtml]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') || e10s #Bug 931116, b2g desktop specific, initial triage
 [test_plugin_clipping_transformed.xhtml]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') || e10s #Bug 931116, b2g desktop specific, initial triage
 [test_plugin_clipping_table.xhtml]
 skip-if = (buildapp == 'b2g' && toolkit != 'gonk') || e10s #Bug 931116, b2g desktop specific, initial triage
 [test_plugin_focus.html]
-skip-if = buildapp == 'b2g' || e10s # b2g(plugins not supported) b2g-debug(plugins not supported) b2g-desktop(plugins not supported)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || e10s # b2g(plugins not supported) b2g-debug(plugins not supported) b2g-desktop(plugins not supported)
 [test_plugin_mouse_coords.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(plugins not supported) b2g-debug(plugins not supported) b2g-desktop(plugins not supported)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e10s # b2g(plugins not supported) b2g-debug(plugins not supported) b2g-desktop(plugins not supported)
 [test_plugin_position.xhtml]
 skip-if = e10s
 [test_selection_expanding.html]
-skip-if = buildapp == 'b2g' # b2g(mouse selection not working) b2g-debug(mouse selection not working) b2g-desktop(mouse selection not working)
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' # b2g(mouse selection not working) b2g-debug(mouse selection not working) b2g-desktop(mouse selection not working)
 support-files = selection_expanding_xbl.xml
 [test_selection_splitText-normalize.html]
 [test_selection_touchevents.html]
 [test_taintedfilters.html]
 support-files = file_taintedfilters_feDisplacementMap-tainted-1.svg file_taintedfilters_feDisplacementMap-tainted-2.svg file_taintedfilters_feDisplacementMap-tainted-3.svg file_taintedfilters_feDisplacementMap-tainted-ref.svg file_taintedfilters_feDisplacementMap-untainted-ref.svg file_taintedfilters_feDisplacementMap-untainted-1.svg file_taintedfilters_feDisplacementMap-untainted-2.svg file_taintedfilters_red-flood-for-feImage-cors.svg file_taintedfilters_red-flood-for-feImage-cors.svg^headers^ file_taintedfilters_red-flood-for-feImage.svg

--- a/layout/style/test/chrome/chrome.ini
+++ b/layout/style/test/chrome/chrome.ini
@@ -5,9 +5,10 @@ support-files =
   bug535806-xul.xul
   hover_helper.html
 
 [test_addSheet.html]
 [test_additional_sheets.html]
 [test_author_specified_style.html]
 [test_bug535806.xul]
 [test_hover.html]
+skip-if = buildapp == 'mulet'
 [test_moz_document_rules.html]

--- a/layout/xul/test/chrome.ini
+++ b/layout/xul/test/chrome.ini
@@ -1,18 +1,21 @@
 [DEFAULT]
 support-files =
   window_resizer.xul
   window_resizer_element.xul
 
 [test_bug159346.xul]
+skip-if = buildapp == 'mulet'
 [test_bug372685.xul]
 [test_bug381167.xhtml]
 [test_bug393970.xul]
 [test_bug398982-1.xul]
 [test_bug398982-2.xul]
 [test_bug467442.xul]
 [test_bug477754.xul]
 [test_bug703150.xul]
+skip-if = buildapp == 'mulet'
 [test_popupSizeTo.xul]
 [test_resizer.xul]
 [test_stack.xul]
 [test_windowminmaxsize.xul]
+skip-if = buildapp == 'mulet'

--- a/layout/xul/test/mochitest.ini
+++ b/layout/xul/test/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g'
+skip-if = buildapp == 'mulet' || buildapp == 'b2g'
 
 [test_bug386386.html]
 [test_bug394800.xhtml]
 [test_bug511075.html]
 skip-if = toolkit == 'android' #bug 798806
 [test_bug563416.html]
 [test_resizer_incontent.xul]
 [test_splitter.xul]

--- a/python/mozbuild/mozbuild/mozinfo.py
+++ b/python/mozbuild/mozbuild/mozinfo.py
@@ -46,17 +46,19 @@ def build_dict(config, env=os.environ):
     # Widget toolkit, just pass the value directly through.
     d["toolkit"] = substs["MOZ_WIDGET_TOOLKIT"]
 
     # Application name
     if 'MOZ_APP_NAME' in substs:
         d["appname"] = substs["MOZ_APP_NAME"]
 
     # Build app name
-    if 'MOZ_BUILD_APP' in substs:
+    if 'MOZ_MULET' in substs and substs.get('MOZ_MULET') == "1":
+        d["buildapp"] = "mulet"
+    elif 'MOZ_BUILD_APP' in substs:
         d["buildapp"] = substs["MOZ_BUILD_APP"]
 
     # processor
     p = substs["TARGET_CPU"]
     # for universal mac builds, put in a special value
     if d["os"] == "mac" and "UNIVERSAL_BINARY" in substs and substs["UNIVERSAL_BINARY"] == "1":
         p = "universal-x86-x86_64"
     else:

--- a/security/manager/ssl/tests/mochitest/bugs/chrome.ini
+++ b/security/manager/ssl/tests/mochitest/bugs/chrome.ini
@@ -1,7 +1,8 @@
 [DEFAULT]
 
 [test_bug234856.html]
 [test_bug413909.html]
+skip-if = buildapp == 'mulet'
 [test_bug480619.html]
 [test_bug644006.html]
 [test_certificate_overrides.html]

--- a/services/healthreport/tests/xpcshell/xpcshell.ini
+++ b/services/healthreport/tests/xpcshell/xpcshell.ini
@@ -1,16 +1,17 @@
 [DEFAULT]
 head = head.js
 tail =
 
 [test_load_modules.js]
 [test_profile.js]
 [test_healthreporter.js]
 [test_provider_addons.js]
+skip-if = buildapp == 'mulet'
 [test_provider_appinfo.js]
 [test_provider_crashes.js]
 run-if = crashreporter
 [test_provider_places.js]
 [test_provider_searches.js]
 [test_provider_sysinfo.js]
 [test_provider_sessions.js]
 

--- a/testing/mochitest/chrome/chrome.ini
+++ b/testing/mochitest/chrome/chrome.ini
@@ -1,9 +1,11 @@
 [DEFAULT]
 support-files = test-dir/test-file
 
 [test_sample.xul]
 [test_sanityChromeUtils.xul]
+skip-if = buildapp == 'mulet'
 [test_sanityPluginUtils.html]
+skip-if = buildapp == 'mulet'
 [test_sanityException.xul]
 [test_sanityException2.xul]
 [test_chromeGetTestFile.xul]

--- a/testing/mochitest/tests/Harness_sanity/mochitest.ini
+++ b/testing/mochitest/tests/Harness_sanity/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g'
+skip-if = buildapp == 'mulet' || buildapp == 'b2g'
 [test_sanity.html]
 [test_sanityException.html]
 [test_sanityException2.html]
 [test_sanityWindowSnapshot.html]
 [test_SpecialPowersExtension.html]
 [test_SpecialPowersExtension2.html]
 support-files = file_SpecialPowersFrame1.html
 [test_SpecialPowersPushPermissions.html]

--- a/toolkit/components/aboutmemory/tests/chrome.ini
+++ b/toolkit/components/aboutmemory/tests/chrome.ini
@@ -1,9 +1,10 @@
 [DEFAULT]
+skip-if = buildapp == 'mulet'
 support-files =
   memory-reports-bad.json
   memory-reports-diff1.json
   memory-reports-diff2.json
   memory-reports-good.json
   remote.xul
 
 [test_aboutmemory.xul]

--- a/toolkit/components/osfile/tests/mochi/chrome.ini
+++ b/toolkit/components/osfile/tests/mochi/chrome.ini
@@ -6,9 +6,10 @@ support-files =
   worker_test_osfile_front.js
   worker_test_osfile_shared.js
   worker_test_osfile_unix.js
   worker_test_osfile_win.js
 
 [test_osfile_async.xul]
 [test_osfile_back.xul]
 [test_osfile_comms.xul]
+skip-if = buildapp == 'mulet'
 [test_osfile_front.xul]

--- a/toolkit/components/passwordmgr/test/mochitest.ini
+++ b/toolkit/components/passwordmgr/test/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g' || e10s
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || e10s
 support-files =
   authenticate.sjs
   formsubmit.sjs
   notification_common.js
   privbrowsing_perwindowpb_iframe.html
   prompt_common.js
   pwmgr_common.js
   subtst_master_pass.html

--- a/toolkit/components/places/tests/browser/browser.ini
+++ b/toolkit/components/places/tests/browser/browser.ini
@@ -7,17 +7,17 @@ support-files =
   head.js
 
 [browser_bug248970.js]
 [browser_bug399606.js]
 skip-if = e10s # Bug ?????? - test uses history observer which doesn't seem to make its way to the parent.
 [browser_bug646422.js]
 skip-if = e10s # Bug ?????? - test times out on try on all platforms, but works locally for markh!
 [browser_bug680727.js]
-skip-if = e10s # Bug ?????? - test times out on try on all platforms, but works locally for markh!
+skip-if = buildapp == 'mulet' || e10s # Bug ?????? - test times out on try on all platforms, but works locally for markh!
 [browser_colorAnalyzer.js]
 [browser_favicon_privatebrowsing_perwindowpb.js]
 [browser_favicon_setAndFetchFaviconForPage.js]
 [browser_favicon_setAndFetchFaviconForPage_failures.js]
 [browser_notfound.js]
 skip-if = e10s # Bug ?????? - test times out on try on all platforms, but works locally for markh!
 [browser_redirect.js]
 skip-if = e10s # Bug ?????? - test times out on try on all platforms, but works locally for markh!

--- a/toolkit/components/prompts/test/mochitest.ini
+++ b/toolkit/components/prompts/test/mochitest.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g' || e10s
+skip-if = buildapp == 'mulet' || buildapp == 'b2g' || e10s
 support-files =
   bug619644_inner.html
   bug625187_iframe.html
   prompt_common.js
 
 [test_bug619644.html]
 [test_bug620145.html]
 skip-if = toolkit == 'android' #TIMED_OUT

--- a/toolkit/components/social/test/browser/browser.ini
+++ b/toolkit/components/social/test/browser/browser.ini
@@ -1,11 +1,12 @@
 # Note: these tests are disabled if MOZ_SOCIAL is off.
 
 [DEFAULT]
+skip-if= buildapp == 'mulet'
 support-files =
   head.js
   data.json
   echo.sjs
   worker_xhr.js
   worker_relative.js
   relative_import.js
   worker_social.js

--- a/toolkit/components/thumbnails/test/browser.ini
+++ b/toolkit/components/thumbnails/test/browser.ini
@@ -7,30 +7,34 @@ support-files =
   head.js
   privacy_cache_control.sjs
   thumbnails_background.sjs
   thumbnails_crash_content_helper.js
   thumbnails_update.sjs
 
 [browser_thumbnails_bg_bad_url.js]
 [browser_thumbnails_bg_crash_during_capture.js]
+skip-if = buildapp == 'mulet'
 [browser_thumbnails_bg_crash_while_idle.js]
+skip-if = buildapp == 'mulet'
 [browser_thumbnails_bg_basic.js]
 [browser_thumbnails_bg_queueing.js]
 [browser_thumbnails_bg_timeout.js]
 [browser_thumbnails_bg_redirect.js]
 [browser_thumbnails_bg_destroy_browser.js]
 [browser_thumbnails_bg_no_cookies_sent.js]
 [browser_thumbnails_bg_no_cookies_stored.js]
 [browser_thumbnails_bg_no_auth_prompt.js]
 [browser_thumbnails_bg_no_alert.js]
 [browser_thumbnails_bg_no_duplicates.js]
 [browser_thumbnails_bg_captureIfMissing.js]
 [browser_thumbnails_bug726727.js]
+skip-if = buildapp == 'mulet'
 [browser_thumbnails_bug727765.js]
 [browser_thumbnails_bug818225.js]
 [browser_thumbnails_capture.js]
 [browser_thumbnails_expiration.js]
 [browser_thumbnails_privacy.js]
 [browser_thumbnails_redirect.js]
 [browser_thumbnails_storage.js]
 [browser_thumbnails_storage_migrate3.js]
+skip-if = buildapp == 'mulet'
 [browser_thumbnails_update.js]

--- a/toolkit/content/tests/browser/browser.ini
+++ b/toolkit/content/tests/browser/browser.ini
@@ -1,13 +1,14 @@
 [DEFAULT]
 
 [browser_autoscroll_disabled.js]
 skip-if = e10s # Bug ?????? - test touches content (getElementById on the content document)
 [browser_browserDrop.js]
+skip-if = buildapp == 'mulet'
 [browser_bug295977_autoscroll_overflow.js]
 skip-if = e10s # Bug 921935 - focusmanager issues with e10s
 [browser_bug594509.js]
 skip-if = e10s # Bug ?????? - intermittent crash of child process reported when run under e10s
 [browser_bug982298.js]
 [browser_default_image_filename.js]
 skip-if = e10s # Bug 933103 - mochitest's EventUtils.synthesizeMouse functions not e10s friendly
 [browser_f7_caret_browsing.js]

--- a/toolkit/content/tests/chrome/chrome.ini
+++ b/toolkit/content/tests/chrome/chrome.ini
@@ -51,16 +51,17 @@ support-files =
 [test_autocomplete2.xul]
 [test_autocomplete3.xul]
 [test_autocomplete4.xul]
 [test_autocomplete5.xul]
 [test_autocomplete_delayOnPaste.xul]
 [test_autocomplete_with_composition_on_input.html]
 [test_autocomplete_with_composition_on_textbox.xul]
 [test_browser_drop.xul]
+skip-if = buildapp == 'mulet'
 [test_bug253481.xul]
 [test_bug263683.xul]
 [test_bug304188.xul]
 [test_bug331215.xul]
 [test_bug360220.xul]
 [test_bug360437.xul]
 skip-if = os == "win" # Intermittent failures, bug 919016
 [test_bug365773.xul]
@@ -85,37 +86,43 @@ skip-if = os == "win" # Intermittent fai
 [test_button.xul]
 [test_closemenu_attribute.xul]
 [test_colorpicker_popup.xul]
 [test_contextmenu_list.xul]
 [test_datepicker.xul]
 [test_deck.xul]
 [test_dialogfocus.xul]
 [test_findbar.xul]
+skip-if = buildapp == 'mulet'
 [test_findbar_events.xul]
 [test_focus_anons.xul]
 [test_hiddenitems.xul]
 [test_hiddenpaging.xul]
 [test_keys.xul]
 [test_labelcontrol.xul]
 [test_largemenu.xul]
 [test_menu.xul]
 [test_menu_anchored.xul]
 [test_menu_hide.xul]
 [test_menuchecks.xul]
 [test_menuitem_blink.xul]
 [test_menuitem_commands.xul]
 [test_menulist.xul]
+skip-if = buildapp == 'mulet'
 [test_menulist_keynav.xul]
 [test_menulist_null_value.xul]
 [test_mousecapture.xul]
+skip-if = buildapp == 'mulet'
 [test_mousescroll.xul]
+skip-if = buildapp == 'mulet'
 [test_notificationbox.xul]
+skip-if = buildapp == 'mulet'
 [test_panel.xul]
 [test_panelfrommenu.xul]
+skip-if = buildapp == 'mulet'
 [test_popup_anchor.xul]
 [test_popup_attribute.xul]
 [test_popup_button.xul]
 [test_popup_coords.xul]
 [test_popup_keys.xul]
 [test_popup_moveToAnchor.xul]
 [test_popup_preventdefault.xul]
 [test_popup_preventdefault_chrome.xul]
@@ -134,18 +141,20 @@ support-files = window_preferences_befor
 support-files = window_preferences_onsyncfrompreference.xul
 [test_progressmeter.xul]
 [test_props.xul]
 [test_radio.xul]
 [test_richlist_direction.xul]
 [test_righttoleft.xul]
 [test_scale.xul]
 [test_scaledrag.xul]
+skip-if = buildapp == 'mulet'
 [test_screenPersistence.xul]
 [test_scrollbar.xul]
+skip-if = buildapp == 'mulet'
 [test_showcaret.xul]
 skip-if = os == "win" # Bug 952350
 [test_sorttemplate.xul]
 [test_statusbar.xul]
 [test_subframe_origin.xul]
 [test_tabbox.xul]
 [test_tabindex.xul]
 [test_textbox_dictionary.xul]