Bug 942411 - Disable test_ignoreuserfocus.html on Linux e10s due to frequent failures.

dom/html/test/mochitest.ini

@@ -518,7 +518,7 @@ skip-if = buildapp == 'mulet' || buildapp == 'b2g' || toolkit == 'android' || e1
 skip-if = toolkit == 'android' || (toolkit == 'gonk' && debug) #bug 871015, bug 881443
 [test_input_files_not_nsIFile.html]
 [test_ignoreuserfocus.html]
-skip-if = (toolkit == 'gonk' && debug) #debug-only failure
+skip-if = (toolkit == 'gonk' && debug) || (os == 'linux' && e10s && debug) # bug 942411
 [test_fragment_form_pointer.html]
 [test_bug1682.html]
 [test_bug1823.html]