--- a/toolkit/mozapps/extensions/test/browser/browser_bug570760.js
+++ b/toolkit/mozapps/extensions/test/browser/browser_bug570760.js
@@ -1,12 +1,15 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 
+// As part of bug 1077403, the leaking uncaught rejection should be fixed.
+thisTestLeaksUncaughtRejectionsAndShouldBeFixed("");
+
 // Bug 570760 - Make ctrl-f and / focus the search box in the add-ons manager 
 
 var gManagerWindow;
 var focusCount = 0;
 
 function test() {
   waitForExplicitFinish();