Bug 288889 – [ macOS wk1 ] media/track/track-in-band.html is a flaky timeout

• Status: NEW
• Component: New Bugs

[Karl Rackler]

Description:
media/track/track-in-band.html

The flakiness dashboard shows this test flaky timeout back to Catalina.  It is uncommon at layout-tests: media/track/track-in-band.html 12.0 % / 50.0 %.

This issue can be reproduced using the command:
run-webkit-tests --release --no-retry --force -1 --exit-after-n-failures 1 --exit-after-n-crashes-or-timeouts 1 --iterations=100 media/track/track-in-band.html

History:
https://results.webkit.org/?suite=layout-tests&test=media%2Ftrack%2Ftrack-in-band.html&platform=mac&recent=false

Diff:
@@ -1,3 +1,4 @@
+FAIL: Timed out waiting for notifyDone to be called
 
 In-band text tracks.
 
@@ -13,36 +14,4 @@
 EVENT(addtrack)
 EXPECTED (event.track == 'video.textTracks[3]') OK
 
-EVENT(canplaythrough)
 
-** Check initial in-band track states
-EXPECTED (video.textTracks.length == '4') OK
-RUN(inbandTrack1 = video.textTracks[0])
-RUN(inbandTrack2 = video.textTracks[1])
-RUN(inbandTrack3 = video.textTracks[2])
-RUN(inbandTrack4 = video.textTracks[3])
-EXPECTED (inbandTrack1.language == 'en') OK
-EXPECTED (inbandTrack1.kind == 'subtitles') OK
-EXPECTED (inbandTrack2.language == 'en') OK
-EXPECTED (inbandTrack2.kind == 'forced') OK
-EXPECTED (inbandTrack3.language == 'fr') OK
-EXPECTED (inbandTrack3.kind == 'subtitles') OK
-EXPECTED (inbandTrack4.language == 'fr') OK
-EXPECTED (inbandTrack4.kind == 'forced') OK
-
-** Add two tracks, check sort order
-RUN(addTrack = video.addTextTrack('captions', 'Caption Track', 'en'))
-RUN(trackElement = document.createElement('track'))
-RUN(video.appendChild(trackElement))
-EXPECTED (video.textTracks.length == '6') OK
-EXPECTED (video.textTracks[0] == 'trackElement.track') OK
-EXPECTED (video.textTracks[1] == 'addTrack') OK
-EXPECTED (video.textTracks[2] == 'inbandTrack1') OK
-EXPECTED (video.textTracks[3] == 'inbandTrack2') OK
-
-** Unload video file, check track count
-RUN(video.src = '')
-EXPECTED (video.textTracks.length == '2') OK
-
-END OF TEST
-

Build:
https://build.webkit.org/#/builders/1233/builds/2211

[Radar WebKit Bug Importer]

<rdar://problem/145891263>

[EWS]

Test gardening commit 291402@main (b1f935778203): <https://commits.webkit.org/291402@main>

Reviewed commits have been landed. Closing PR #41683 and removing active labels.