Bug 215819

Summary: [ macOS Mojave wk1 ] fast/layers/hidpi-transform-on-child-content-is-mispositioned.html is a flaky failure
Product: WebKit Reporter: Hector Lopez <hector_i_lopez>
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: ap, bfulgham, graouts, simon.fraser, webkit-bot-watchers-bugzilla, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
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Actual image
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Description Hector Lopez 2020-08-25 12:00:05 PDT 
fast/layers/hidpi-transform-on-child-content-is-mispositioned.html

Test is a flaky failure according to history on macOS Mojave wk1. First occurrence go back to limit of history at r250986 but no indication that revision is start.

History:
https://results.webkit.org/?suite=layout-tests&test=fast%2Flayers%2Fhidpi-transform-on-child-content-is-mispositioned.html&limit=50000&platform=mac&flavor=wk1&version_name=Mojave

Diff:
https://build.webkit.org/results/Apple%20Mojave%20Release%20WK1%20(Tests)/r266116%20(17181)/fast/layers/hidpi-transform-on-child-content-is-mispositioned-diffs.html

or see attachments
Comment 1 Radar WebKit Bug Importer 2020-08-25 12:00:29 PDT 
<rdar://problem/67750701>
Comment 2 Hector Lopez 2020-08-25 12:00:45 PDT 
Created attachment 407214 [details]
Expected image
Comment 3 Hector Lopez 2020-08-25 12:01:03 PDT 
Created attachment 407215 [details]
Actual image
Comment 4 Hector Lopez 2020-08-25 12:01:27 PDT 
Created attachment 407216 [details]
Diff image
Comment 5 Hector Lopez 2020-08-25 12:05:12 PDT 
Test expectation while investigated:

https://trac.webkit.org/changeset/266139/webkit