The core reason for the intermittent failure is bug 240779. Test should be re-written for now to use requestVideoCallbackFrame.
<rdar://problem/93731906>
Pull request: https://github.com/WebKit/WebKit/pull/906
Committed r294742 (250910@main): <https://commits.webkit.org/250910@main> Reviewed commits have been landed. Closing PR #906 and removing active labels.