Bug 923345 - Fix intermittent failure in test/browser_thumbnails_background_crash.js by splitting it up. r=markh, a=test-only
Bug 939084 - Intermittent browser_social_chatwindow_resize.js. r=felipe, a=test-only
Bug 943793 - Intermittent TEST-UNEXPECTED-FAIL | chrome://mochitests/content/browser/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_localStorage.js. r=ehsan, a=test-only
Bug 945979 - Intermittent browser_privatebrowsing_geoprompt.js. r=ehsan, a=test-only
Backed out changeset 0aeb846dc2e7 (bug 846340) for causing frequent testMasterPassword failures (bug 915449). a=test-only