animations/stacking-context-not-fill-forwards.html This test is failing on the windows testers. It looks like it started between r254058-254053 the diff shoes the ordering os some layered squares in wrong. history: https://results.webkit.org/?suite=layout-tests&test=animations%2Fstacking-context-not-fill-forwards.html Diff: https://build.webkit.org/results/Apple%20Win%2010%20Release%20(Tests)/r256167%20(4892)/animations/stacking-context-not-fill-forwards-diffs.html
<rdar://problem/59315362>
marked as failing in https://trac.webkit.org/changeset/256193/webkit
https://searchfox.org/wubkat/rev/c40451f6052e2805fb1c6abfb61fa322c67caf5b/LayoutTests/platform/wincairo/TestExpectations#2507 Fails on `win-cairo`. Added `PlatformOnly` flag to highlight - it fails only on one platform and renamed bug title to reflect `win-cairo` rather than `AppleWin` (old Win) port.