Bug 1122478 - Disable the newtab tests that fail on OS X 10.10

--HG--
extra : rebase_source : 6c99d82f7b2a188d209d1782231d84a9c3bbd00f

browser/base/content/test/newtab/browser.ini

@@ -21,8 +21,9 @@ skip-if = os == "mac" # Intermittent failures, bug 898317
 [browser_newtab_bug998387.js]
 [browser_newtab_disable.js]
 [browser_newtab_drag_drop.js]
-skip-if = os == "win" && debug # bug 1097056; test fails in --run-by-dir mode on win8 x64 debug
+skip-if = os == "win" && debug || (os == 'mac' && os_version == '10.10') # bug 1097056; test fails in --run-by-dir mode on win8 x64 debug; Bug 1122479 - newtab drag-drop tests fail on OS X 10.10
 [browser_newtab_drag_drop_ext.js]
+skip-if = (os == 'mac' && os_version == '10.10') # bug 1122479 - newtab drag-drop tests fail on OS X 10.10
 [browser_newtab_drop_preview.js]
 [browser_newtab_enhanced.js]
 [browser_newtab_focus.js]