[ Monterey ] media/media-source/media-webm-vorbis-partial.html (layout-test) is a constant failure

• Component: Media
• Status: RESOLVED FIXED

[Robert Jenner]

media/media-source/media-webm-vorbis-partial.html

is constantly failing in Monterey. 

HISTORY:
https://results.webkit.org/?suite=layout-tests&test=media%2Fmedia-source%2Fmedia-webm-vorbis-partial.html

TEXT DIFF:
EVENT(sourceopen)
 RUN(source.duration = loader.duration())
 RUN(sourceBuffer = source.addSourceBuffer(loader.type()))
+NotSupportedError: The operation is not supported.
 RUN(sourceBuffer.appendBuffer(loader.initSegment()))
-EVENT(update)
-Append a media segment.
-RUN(sourceBuffer.appendBuffer(loader.mediaSegment(0)))
-EVENT(update)
-EXPECTED (sourceBuffer.buffered.end(0) == source.duration == 'true') OK
+TypeError: undefined is not an object (evaluating 'sourceBuffer.appendBuffer')
+Caught exception: "TypeError: undefined is not an object (evaluating 'element.addEventListener')" FAIL
 END OF TEST

[Radar WebKit Bug Importer]

<rdar://problem/85840919>