diff -r 000000000000 -r 6474c204b198 security/manager/ssl/tests/mochitest/browser/browser_certificateManagerLeak.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/security/manager/ssl/tests/mochitest/browser/browser_certificateManagerLeak.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+let gBugWindow;
+
+function onLoad() {
+  gBugWindow.removeEventListener("load", onLoad);
+  gBugWindow.addEventListener("unload", onUnload);
+  gBugWindow.close();
+}
+
+function onUnload() {
+  gBugWindow.removeEventListener("unload", onUnload);
+  window.focus();
+  finish();
+}
+
+// This test opens and then closes the certificate manager to test that it
+// does not leak. The test harness keeps track of and reports leaks, so
+// there are no actual checks here.
+function test() {
+  waitForExplicitFinish();
+  gBugWindow = window.openDialog("chrome://pippki/content/certManager.xul");
+  gBugWindow.addEventListener("load", onLoad);
+}