Bug 190885 – [High Sierra / Mojave Debug WK2] Layout Test media/video-restricted-invisible-autoplay-allowed-when-visible.html is a flaky failure

• Status: RESOLVED
• Resolution: FIXED
• Component: Tools / Tests

[Dawei Fenton (:realdawei)]

The following layout test is failing on [High Sierra Debug WK2]

media/video-restricted-invisible-autoplay-allowed-when-visible.html

Probable cause:

Unknown

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=media%2Fvideo-restricted-invisible-autoplay-allowed-when-visible.html

--- /Volumes/Data/slave/highsierra-debug-tests-wk2/build/layout-test-results/media/video-restricted-invisible-autoplay-allowed-when-visible-expected.txt
+++ /Volumes/Data/slave/highsierra-debug-tests-wk2/build/layout-test-results/media/video-restricted-invisible-autoplay-allowed-when-visible-actual.txt
@@ -3,6 +3,6 @@
 RUN(internals.setMediaElementRestrictions(video, "InvisibleAutoplayNotPermitted"))
 ** setting video.src
 RUN(document.body.appendChild(video))
-EVENT(play)
+FAIL: did not end fast enough
 END OF TEST

[Ryan Haddad]

I can repro the failures locally with:
media/video-restricted-invisible-autoplay-allowed-when-visible.html -fg --iter 100 --no-retry


I cannot repro the failure after making this change:

diff --git a/LayoutTests/media/video-restricted-invisible-autoplay-allowed-when-visible.html b/LayoutTests/media/video-restricted-invisible-autoplay-allowed-when-visible.html
index 50b7a1a7d88..a09825fb1a7 100644
--- a/LayoutTests/media/video-restricted-invisible-autoplay-allowed-when-visible.html
+++ b/LayoutTests/media/video-restricted-invisible-autoplay-allowed-when-visible.html
@@ -19,7 +19,7 @@
             function putInDOM()
             {
                 run('document.body.appendChild(video)');
-                failTestIn(250);
+                failTestIn(2000);
             }

             function play()

[Radar WebKit Bug Importer]

<rdar://problem/45590590>

[Eric Carlson]

Created attachment 371999 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 371999 [details]
Patch

Clearing flags on attachment: 371999

Committed r246387: <https://trac.webkit.org/changeset/246387>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.