--- a/gfx/tests/crashtests/crashtests.list
+++ b/gfx/tests/crashtests/crashtests.list
@@ -97,17 +97,17 @@ load 633322-1.html
 load 665218.html
 load 686190-1.html
 load 693143-1.html
 load 768079-1.html
 load 783041-1.html
 load 783041-2.html
 load 783041-3.html
 load 783041-4.html
-load 798853.html # bug 868792
+asserts-if(gtk2Widget,1) load 798853.html # bug 868792
 asserts-if(winWidget,0-1) skip-if(B2G) load 815489.html
 load 836225-1.html
 load 839745-1.html
 load 856784-1.html
 load 893572-1.html
 load 893572-2.html
 load 893572-3.html
 load 893572-4.html

--- a/layout/reftests/font-face/reftest.list
+++ b/layout/reftests/font-face/reftest.list
@@ -38,38 +38,37 @@ skip-if(B2G||Mulet) HTTP(..) == src-list
 == src-list-data-4.html src-list-data-ref.html
 
 # load with data url vs. font data load
 skip-if(B2G||Mulet) HTTP(..) == src-list-actual-font-ref.html src-list-data-1.html # bug 773482 # Initial mulet triage: parity with B2G/B2G Desktop
 
 # localized full fontnames should *not* match, only English ones (need locale-invariant key)
 skip HTTP(..) == src-list-local-localized.html src-list-local-localized-ref.html # 486787, 486497
 
-# postscript name lookup
-# fontconfig only supports postscript name lookup from 2.10.92, Android/B2G not supported
-skip-if(B2G||Mulet) fails-if(Android) random-if(gtk2Widget) == src-list-local-ps.html src-list-local-full-ref.html # bug 773482
+# Postscript name lookup only supported on MacOS/Windows currently
+skip-if(B2G||Mulet) fails-if(Android) random-if(gtk2Widget) == src-list-local-ps.html src-list-local-full-ref.html # bug 773482 # Initial mulet triage: parity with B2G/B2G Desktop
 # Mac-specific test of 100 weight faces
 random-if(!cocoaWidget) == helveticaneue-ultra.html helveticaneue-ultra-ref.html
 
 HTTP(..) == order-1.html order-1-ref.html
-pref(layout.css.unicode-range.enabled,true) HTTP(..) == order-2.html order-2-ref.html
-pref(layout.css.unicode-range.enabled,true) HTTP(..) == order-3.html order-3-ref.html
+pref(layout.css.unicode-range.enabled,true) random-if(gtk2Widget) HTTP(..) == order-2.html order-2-ref.html # bug 1056479
+pref(layout.css.unicode-range.enabled,true) random-if(gtk2Widget) HTTP(..) == order-3.html order-3-ref.html # bug 1056479
 HTTP(..) == multiple-in-family-1.html multiple-in-family-1-ref.html
 HTTP(..) == multiple-in-family-1b.html multiple-in-family-1-ref.html
 HTTP(..) != multiple-in-family-1.html multiple-in-family-1-notref.html
 HTTP(..) == prop-order-over-rule-order-1a.html prop-order-over-rule-order-2a.html
 HTTP(..) == prop-order-over-rule-order-1b.html prop-order-over-rule-order-2b.html
 HTTP(..) != prop-order-over-rule-order-1a.html prop-order-over-rule-order-1b.html
 skip-if(B2G||Mulet) HTTP(..) == cross-iframe-1.html cross-iframe-1-ref.html # bug 773482 # Initial mulet triage: parity with B2G/B2G Desktop
 
-# unicode-range
-pref(layout.css.unicode-range.enabled,true) HTTP(..) == unicoderange-1.html unicoderange-1-ref.html
-pref(layout.css.unicode-range.enabled,true) HTTP(..) == unicoderange-2.html unicoderange-2-ref.html
-pref(layout.css.unicode-range.enabled,true) HTTP(..) == unicoderange-3.html unicoderange-3-ref.html
-pref(layout.css.unicode-range.enabled,true) HTTP(..) == unicoderange-4.html unicoderange-4-ref.html
+# unicode-range (Linux implementation - bug 1056479)
+pref(layout.css.unicode-range.enabled,true) random-if(gtk2Widget) HTTP(..) == unicoderange-1.html unicoderange-1-ref.html
+pref(layout.css.unicode-range.enabled,true) random-if(gtk2Widget) HTTP(..) == unicoderange-2.html unicoderange-2-ref.html
+pref(layout.css.unicode-range.enabled,true) random-if(gtk2Widget) HTTP(..) == unicoderange-3.html unicoderange-3-ref.html
+pref(layout.css.unicode-range.enabled,true) random-if(gtk2Widget) HTTP(..) == unicoderange-4.html unicoderange-4-ref.html
 
 # Dynamic changes
 # we need to skip these because of the bug that's causing order-2.html to fail
 HTTP(..) == enable-sheet-1.html enable-sheet-1-ref.html
 skip HTTP(..) == enable-sheet-2.html multiple-in-family-1-ref.html
 skip HTTP(..) == enable-sheet-3.html multiple-in-family-1-ref.html
 HTTP(..) == enable-sheet-4.html enable-sheet-4-ref.html
 HTTP(..) == enable-sheet-5.html enable-sheet-4-ref.html

--- a/layout/reftests/font-face/src-list-local-full-quotes.html
+++ b/layout/reftests/font-face/src-list-local-full-quotes.html
@@ -10,28 +10,28 @@ body {
   margin: 50px;
   font-size: 24pt;
 }
 
 /* use full names */
 
 @font-face {
   font-family: test-regular;
-  src: local("Helvetica Neue"), local("Bitstream Vera Sans"), local("Bitstream Vera Sans Roman"), local("FreeSans"), local("Free Sans"), local("SwissA"), local("DejaVu Sans"), local("Arial");
+  src: local("Helvetica Neue"), local("Bitstream Vera Sans"), local("Bitstream Vera Sans Roman"), local("Free Sans"), local("SwissA"), local("DejaVu Sans"), local("Arial");
 }
 
 /* use Helvetica on the Mac, since Futura has no bold face on 10.4, 10.5 */
 @font-face {
   font-family: test-bold;
-  src: local("Helvetica Neue Bold"), local("Bitstream Vera Sans Bold"), local("FreeSans Bold"), local("Free Sans Bold"), local("SwissA Bold"), local("DejaVu Sans Bold"), local("Arial Bold");
+  src: local("Helvetica Neue Bold"), local("Bitstream Vera Sans Bold"), local("Free Sans Bold"), local("SwissA Bold"), local("DejaVu Sans Bold"), local("Arial Bold");
 }
 
 @font-face {
   font-family: test-italic;
-  src: local("Helvetica Neue Italic"), local("Bitstream Vera Sans Oblique"), local("FreeSans Oblique"), local("Free Sans Oblique"), local("SwissA Italic"), local("DejaVu Sans Oblique"), local("Arial Italic");
+  src: local("Helvetica Neue Italic"), local("Bitstream Vera Sans Oblique"), local("Free Sans Oblique"), local("SwissA Italic"), local("DejaVu Sans Oblique"), local("Arial Italic");
 }
 
 .regular { font-family: test-regular, serif; }
 .bold { font-family: test-bold, serif; }
 .italic { font-family: test-italic, serif; }
 
 </style>
 

--- a/layout/reftests/font-face/src-list-local-full.html
+++ b/layout/reftests/font-face/src-list-local-full.html
@@ -10,28 +10,28 @@ body {
   margin: 50px;
   font-size: 24pt;
 }
 
 /* use full names */
 
 @font-face {
   font-family: test-regular;
-  src: local(Helvetica Neue), local(Bitstream Vera Sans), local(Bitstream Vera Sans Roman), local(FreeSans), local(Free Sans), local(SwissA), local(DejaVu Sans), local(Arial);
+  src: local(Helvetica Neue), local(Bitstream Vera Sans), local(Bitstream Vera Sans Roman), local(Free Sans), local(SwissA), local(DejaVu Sans), local(Arial);
 }
 
 /* use Helvetica on the Mac, since Futura has no bold face on 10.4, 10.5 */
 @font-face {
   font-family: test-bold;
-  src: local(Helvetica Neue Bold), local(Bitstream Vera Sans Bold), local(FreeSans Bold), local(Free Sans Bold), local(SwissA Bold), local(DejaVu Sans Bold), local(Arial Bold);
+  src: local(Helvetica Neue Bold), local(Bitstream Vera Sans Bold), local(Free Sans Bold), local(SwissA Bold), local(DejaVu Sans Bold), local(Arial Bold);
 }
 
 @font-face {
   font-family: test-italic;
-  src: local(Helvetica Neue Italic), local(Bitstream Vera Sans Oblique), local(FreeSans Oblique), local(Free Sans Oblique), local(SwissA Italic), local(DejaVu Sans Oblique), local(Arial Italic);
+  src: local(Helvetica Neue Italic), local(Bitstream Vera Sans Oblique), local(Free Sans Oblique), local(SwissA Italic), local(DejaVu Sans Oblique), local(Arial Italic);
 }
 
 .regular { font-family: test-regular, serif; }
 .bold { font-family: test-bold, serif; }
 .italic { font-family: test-italic, serif; }
 
 </style>