Bug 1095754 - Disable two plugin tests under e10s that perma-fail with these changes. r=me

dom/plugins/test/mochitest/mochitest.ini

@@ -41,6 +41,7 @@ support-files =
 [test_bug985859.html]
 [test_bug986930.html]
 [test_bug1092842.html]
+skip-if = e10s
 [test_cocoa_focus.html]
 skip-if = toolkit != "cocoa"
 support-files = cocoa_focus.html
@@ -118,3 +119,4 @@ skip-if = os != "win"
 [test_visibility.html]
 skip-if = toolkit == "cocoa"
 [test_zero_opacity.html]
+skip-if = e10s