Backed out changeset 133c1cb39c00 (bug 1208373)

dom/media/tests/mochitest/test_getUserMedia_mediaStreamTrackClone.html

@@ -52,10 +52,7 @@
 
       var test = createMediaElement('video', 'testClonePlayback');
       var playback = new MediaStreamPlayback(test, cloneStream);
-      return playback.playMediaWithMediaStreamTracksStop(false)
-        .then(() => info("Testing that clones of ended tracks are ended"))
-        .then(() => cloneStream.clone().getTracks().forEach(t =>
-          is(t.readyState, "ended", "Track " + t.id + " should be ended")));
+      return playback.playMediaWithMediaStreamTracksStop(false);
     })
     .then(() => getUserMedia({audio: true, video: true})).then(stream => {
       info("Test adding many track clones to the original stream");