--- /home/clopez/webkit/webkit/layout-test-results/media/media-source/media-source-append-buffer-with-append-window-expected.txt
+++ /home/clopez/webkit/webkit/layout-test-results/media/media-source/media-source-append-buffer-with-append-window-actual.txt
@@ -8,20 +8,20 @@
 RUN(sourceBuffer.appendWindowStart = 3.5)
 RUN(sourceBuffer.appendBuffer(mediaSegment))
 EVENT(updateend)
-EXPECTED (sourceBuffer.buffered.start(0) == '4') OK
-EXPECTED (sourceBuffer.buffered.end(0) < '7.5') OK
+IndexSizeError (DOM Exception 1): The index is not in the allowed range.
+IndexSizeError (DOM Exception 1): The index is not in the allowed range.
 RUN(sourceBuffer.appendWindowStart = 0)
 RUN(sourceBuffer.appendBuffer(mediaSegment))
 EVENT(updateend)
-EXPECTED (sourceBuffer.buffered.length == '1') OK
-EXPECTED (sourceBuffer.buffered.start(0) == '0') OK
-EXPECTED (sourceBuffer.buffered.end(0) < '7.5') OK
+EXPECTED (sourceBuffer.buffered.length == '1'), OBSERVED '0' FAIL
+IndexSizeError (DOM Exception 1): The index is not in the allowed range.
+IndexSizeError (DOM Exception 1): The index is not in the allowed range.
 RUN(sourceBuffer.appendWindowEnd = 14.5)
 RUN(sourceBuffer.appendWindowStart = 11)
 RUN(sourceBuffer.appendBuffer(mediaSegment))
 EVENT(updateend)
-EXPECTED (sourceBuffer.buffered.length == '2') OK
-EXPECTED (sourceBuffer.buffered.start(1) == '12') OK
-EXPECTED (sourceBuffer.buffered.end(1) < '14.5') OK
+EXPECTED (sourceBuffer.buffered.length == '2'), OBSERVED '0' FAIL
+IndexSizeError (DOM Exception 1): The index is not in the allowed range.
+IndexSizeError (DOM Exception 1): The index is not in the allowed range.
 END OF TEST