Bug 1366137 - Disable browser_new_web_tab_in_file_process_pref.js on OSX-debug for frequent failures. r=jmaher

browser/base/content/test/tabs/browser.ini

@@ -48,7 +48,7 @@ support-files = file_new_tab_page.html
 [browser_new_tab_in_privileged_process_pref.js]
 skip-if = !e10s # Pref and test only relevant for e10s.
 [browser_new_web_tab_in_file_process_pref.js]
-skip-if = !e10s # Pref and test only relevant for e10s.
+skip-if = !e10s || (os == 'mac' && debug) # Pref and test only relevant for e10s. #Bug 1366137
 [browser_newwindow_tabstrip_overflow.js]
 [browser_open_newtab_start_observer_notification.js]
 [browser_opened_file_tab_navigated_to_web.js]