Tests webkitSourceAbort() functionality


running abortDuringInitSegment
EVENT(webkitsourceopen)
Test aborting during initialization segment.
Appending partial initialization segment.
Aborting append.
Appending full initialization segment.
Appending enough media segments to trigger loadeddata.
EVENT(loadeddata)

running abortDuringMediaSegment
EVENT(emptied)
EVENT(webkitsourceopen)
Test aborting in the middle of a media segment.
Appending partial media segment.
Aborting append.
Appending full media segment.
Appending enough media segments to trigger loadeddata.
END OF TEST