--- a/browser/modules/test/browser.ini
+++ b/browser/modules/test/browser.ini
@@ -2,17 +2,16 @@
 support-files =
   head.js
 
 [browser_BrowserUITelemetry_buckets.js]
 [browser_BrowserUITelemetry_defaults.js]
 [browser_BrowserUITelemetry_sidebar.js]
 [browser_BrowserUITelemetry_syncedtabs.js]
 [browser_CaptivePortalWatcher.js]
-skip-if = os == "linux" || os == "win" || (os == "mac" && debug && e10s) # Bug 1279491, Bug 1287714 for OS X debug e10s
 [browser_ContentSearch.js]
 support-files =
   contentSearch.js
   contentSearchBadImage.xml
   contentSearchSuggestions.sjs
   contentSearchSuggestions.xml
 [browser_NetworkPrioritizer.js]
 [browser_PermissionUI.js]