Bug 227237 - [BigSur Wk1] imported/w3c/web-platform-tests/css/css-will-change/will-change* tests are flaky failing
Summary: [BigSur Wk1] imported/w3c/web-platform-tests/css/css-will-change/will-change*...
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: New Bugs (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2021-06-21 14:50 PDT by Amir Mark Jr
Modified: 2021-06-28 13:52 PDT (History)
2 users (show)

See Also:


Attachments
will-change-stacking-context-opacity-1-diff (2.51 KB, image/png)
2021-06-21 14:54 PDT, Amir Mark Jr
no flags Details
will-change-stacking-context-filter-1-diff (4.04 KB, image/png)
2021-06-21 14:54 PDT, Amir Mark Jr
no flags Details
will-change-fixpos-cb-filter-1-diff (3.88 KB, image/png)
2021-06-21 14:55 PDT, Amir Mark Jr
no flags Details

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Comment 1 Radar WebKit Bug Importer 2021-06-21 14:51:06 PDT
<rdar://problem/79581733>
Comment 2 Amir Mark Jr 2021-06-21 14:54:01 PDT
Created attachment 431912 [details]
will-change-stacking-context-opacity-1-diff
Comment 3 Amir Mark Jr 2021-06-21 14:54:31 PDT
Created attachment 431913 [details]
will-change-stacking-context-filter-1-diff
Comment 4 Amir Mark Jr 2021-06-21 14:55:15 PDT
Created attachment 431914 [details]
will-change-fixpos-cb-filter-1-diff
Comment 5 Amir Mark Jr 2021-06-21 15:02:48 PDT
It appears these tests have been flaky since being introduced around r277375, not a clear regression point.
Comment 6 Amir Mark Jr 2021-06-21 17:06:07 PDT
Updated test expectations:

https://trac.webkit.org/changeset/279092/webkit
Comment 7 Ryan Haddad 2021-06-28 13:52:14 PDT
Looking at the results in https://build.webkit.org/results/Apple-BigSur-Release-WK1-Tests/r279076%20(3548)/results.html, the "actual" image is all gray or white.