RESOLVED CONFIGURATION CHANGED252850
REGRESSION (260575@main?): [ iOS Release ] TestWebKitAPI.WKWebViewCloseAllMediaPresentations.VideoFullscreen is a consistent timeout 
https://bugs.webkit.org/show_bug.cgi?id=252850
Summary REGRESSION (260575@main?): [ iOS Release ] TestWebKitAPI.WKWebViewCloseAllMed...
Bri Harris
Reported 2023-02-23 11:40:22 PST
TestWebKitAPI.WKWebViewCloseAllMediaPresentations.VideoFullscreen is a flaky timeout on iOS 16 only. HISTORY: https://results.webkit.org/?suite=api-tests&test=TestWebKitAPI.WKWebViewCloseAllMediaPresentations.VideoFullscreen TIMEOUT ERROR: TestWebKitAPI.WKWebViewCloseAllMediaPresentations.VideoFullscreen 2023-02-23 10:13:10.597 TestWebKitAPI[38829:25202454] Encountered error: Error Domain=WKErrorDomain Code=5 "JavaScript execution returned a result of an unsupported type" UserInfo={NSLocalizedDescription=JavaScript execution returned a result of an unsupported type} while evaluating script: window.internals.setMockVideoPresentationModeEnabled(true)
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Bri Harris
Comment 1 2023-02-23 11:47:52 PST
I was able to reproduce this time out on a release build as follows: run-api-tests --ios-simulator --root WebKitBuild/Release-iphonesimulator TestWebKitAPI.WKWebViewCloseAllMediaPresentations.VideoFullscreen
Radar WebKit Bug Importer
Comment 2 2023-02-23 11:48:13 PST
<rdar://problem/105844731>
Ryan Haddad
Comment 3 2023-02-27 11:36:53 PST
This timeout appears to be consistent on iPhone simulator release queues. https://commits.webkit.org/260575@main is in the regression range, and seems like it could be related.
Ryan Haddad
Comment 4 2023-03-07 10:46:01 PST
This test is no longer timing out as of 261100@main, but I don't see an obvious change to credit with fixing it.
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