From ec4e60afa15a79258fa49d9dbcbea741096a5aa3 Mon Sep 17 00:00:00 2001
From: Timothy Nikkel <tnikkel@gmail.com>
Date: Fri, 7 Apr 2017 18:26:20 -0500
Subject: [PATCH] Bug 1354499. Don't record further successful results after
 finishing in test_discardAnimatedImage.html.

---
 image/test/mochitest/test_discardAnimatedImage.html | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/image/test/mochitest/test_discardAnimatedImage.html b/image/test/mochitest/test_discardAnimatedImage.html
index c8bc3fd7e882..b5b38f8c256b 100644
--- a/image/test/mochitest/test_discardAnimatedImage.html
+++ b/image/test/mochitest/test_discardAnimatedImage.html
@@ -111,6 +111,7 @@ function checkIfFinished() {
       (gNumSnapShotChanges[0] >= kNumFrameUpdatesToExpect) &&
       (gNumSnapShotChanges[1] >= kNumFrameUpdatesToExpect)) {
     ok(true, "got expected frame updates");
+    gCountingFrameUpdates = false;
     gFinished = true;
     SimpleTest.finish();
   }
@@ -133,7 +134,7 @@ function addCallbacks(anImage, arrayIndex) {
     }
   };
   observer.frameUpdate = function () {
-    if (!gCountingFrameUpdates) {
+    if (!gCountingFrameUpdates || gFinished) {
       return;
     }