Bug 206873

--- /layout-test-results/media/media-source/media-source-seek-redundant-append-expected.txt
+++ /layout-test-results/media/media-source/media-source-seek-redundant-append-actual.txt
@@ -1,36 +1,2 @@
+FAIL: Timed out waiting for notifyDone to be called

-RUN(video.src = URL.createObjectURL(source))
-EVENT(sourceopen)
-RUN(sourceBuffer = source.addSourceBuffer(loader.type()))
-RUN(sourceBuffer.appendBuffer(loader.initSegment()))
-EVENT(update)
-RUN(source.duration = 310)
-RUN(sourceBuffer.timestampOffset = 300)
-RUN(video.play())
-START seekAndAppend: time=300, segments=[0, 3)
-RUN(sourceBuffer.appendBuffer(loader.mediaSegment(0)))
-Successful append
-RUN(sourceBuffer.appendBuffer(loader.mediaSegment(1)))
-Successful append
-RUN(sourceBuffer.appendBuffer(loader.mediaSegment(2)))
-Successful append
-SUCCESS seekAndAppend: time=300, segments=[0, 3)
-START waitForVideoToReach(300.2)
-SUCCESS waitForVideoToReach(300.2)
-START seekAndAppend: time=309.2, segments=[9, 10)
-RUN(sourceBuffer.appendBuffer(loader.mediaSegment(9)))
-Successful append
-SUCCESS seekAndAppend: time=309.2, segments=[9, 10)
-START waitForVideoToReach(309.7)
-SUCCESS waitForVideoToReach(309.7)
-RUN(video.currentTime = 308.9)
-START seekAndAppend: time=308.9, segments=[8, 10)
-RUN(sourceBuffer.appendBuffer(loader.mediaSegment(8)))
-Successful append
-RUN(sourceBuffer.appendBuffer(loader.mediaSegment(9)))
-Successful append
-SUCCESS seekAndAppend: time=308.9, segments=[8, 10)
-RUN(source.endOfStream())
-EVENT(ended)
-END OF TEST