Bug 1365319 - Disable failing test. rs=bustage-fix

mail/test/mozmill/content-policy/test-plugins-policy.js

@@ -202,12 +202,13 @@ function test_checkContentTab() {
     throw new Error("The content tab didn't close");
 }
 
-function test_3paneWindowAllowed() {
+// Disabled as a bustage fix, see bug 1365319.
+function disabled_3paneWindowAllowed() {
   Services.prefs.setBoolPref("mailnews.message_display.allow_plugins", true);
 
   addMsgToFolderAndCheckContent(true);
 }
 
-function test_checkStandaloneMessageWindowAllowed() {
+function disabled_checkStandaloneMessageWindowAllowed() {
   checkStandaloneMessageWindow(true);
 }