animations/additive-transform-animations.html Test is a constant failure on WinCairo according to history. First occurrence of failure coincides with the start of testing on Windows. History: https://results.webkit.org/?suite=layout-tests&test=animations%2Fadditive-transform-animations.html&platform=wincairo Diff: https://ews-build.s3-us-west-2.amazonaws.com/Windows-EWS/r411745-39320-rerun/animations/additive-transform-animations-diff.png See attachments
Test expectation while investigated: https://trac.webkit.org/changeset/268677/webkit
Image difference Rectangle is seen in red but should not be
Created attachment 411768 [details] expected
Created attachment 411769 [details] actual
Created attachment 411770 [details] diff
<rdar://problem/70688303>