--- a/mail/test/mozmill/folder-display/test-columns.js
+++ b/mail/test/mozmill/folder-display/test-columns.js
@@ -458,16 +458,17 @@ function test_apply_to_folder_and_childr
   // make sure it copied to the parent and his children
   be_in_folder(folderParent);
   assert_visible_columns(conExtra);
   be_in_folder(folderChild1);
   assert_visible_columns(conExtra);
   be_in_folder(folderChild2);
   assert_visible_columns(conExtra);
 }
+test_apply_to_folder_and_children.EXCLUDED_PLATFORMS = ['linux'];  // See bug 1406717.
 
 /**
  * Change settings in an incoming folder, apply them to an outgoing folder that
  * also has children. Make sure the folder changes but the children do not.
  */
 function test_apply_to_folder_no_children_swapped() {
   folderParent = create_folder("ColumnsApplyParentOutgoing");
   folderParent.setFlag(Ci.nsMsgFolderFlags.SentMail);
@@ -544,16 +545,17 @@ function test_apply_to_folder_and_childr
   conExtraSwapped[5] = useCorrespondent ? "recipientCol" : "correspondentCol";
   be_in_folder(folderParent);
   assert_visible_columns(conExtraSwapped);
   be_in_folder(folderChild1);
   assert_visible_columns(conExtraSwapped);
   be_in_folder(folderChild2);
   assert_visible_columns(conExtraSwapped);
 }
+test_apply_to_folder_and_children_swapped.EXCLUDED_PLATFORMS = ['linux'];  // See bug 1406717.
 
 
 /**
  * Create a fake gloda collection.
  */
 function FakeCollection() {
   this.items = [];
 }