[Webkit-unassigned] [Bug 206945] New: [ Mac wk1 ] compositing/repaint/become-overlay-composited-layer.html is flaky failing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=206945

            Bug ID: 206945
           Summary: [ Mac wk1 ]
                    compositing/repaint/become-overlay-composited-layer.ht
                    ml is flaky failing
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jacob_uphoff at apple.com

compositing/repaint/become-overlay-composited-layer.html

This test is flaky failing on Catalina wk1 

I ran the tests in iterations and did not reproduce the failure.

Failure has been happening for all visible history.

History:
https://results.webkit.org/?suite=layout-tests&test=compositing%2Frepaint%2Fbecome-overlay-composited-layer.html
Diff: 

--- /Volumes/Data/slave/catalina-release-tests-wk1/build/layout-test-results/compositing/repaint/become-overlay-composited-layer-expected.txt
+++ /Volumes/Data/slave/catalina-release-tests-wk1/build/layout-test-results/compositing/repaint/become-overlay-composited-layer-actual.txt
@@ -11,7 +11,7 @@
           text run at (152,0) width 405: "Should not leave blue box behind after moving to the top right."
 layer at (8,42) size 502x102
   RenderBlock (relative positioned) {DIV} at (0,34) size 502x102 [border: (1px solid #000000)]
-layer at (259,43) size 250x100
-  RenderBlock (positioned) {DIV} at (251,1) size 250x100 [bgcolor=#0000FF]
+layer at (258,43) size 250x100
+  RenderBlock (positioned) {DIV} at (249,1) size 251x100 [bgcolor=#0000FF]
 layer at (9,43) size 50x50
   RenderBlock (positioned) {DIV} at (1,1) size 50x50 [bgcolor=#000000]

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