[Webkit-unassigned] [Bug 209624] New: [ Mac wk2 Release ] tiled-drawing/scrolling/fixed/four-bars-zoomed.html is flaky failing.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209624

            Bug ID: 209624
           Summary: [ Mac wk2 Release ]
                    tiled-drawing/scrolling/fixed/four-bars-zoomed.html is
                    flaky failing.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Macintosh
                OS: macOS 10.14
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Scrolling
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Lawrence.j at apple.com

tiled-drawing/scrolling/fixed/four-bars-zoomed.html

Description:
This test is flaky failing on Mac wk2 Release. When scrolling back through the visible history, it appears that the test was previously failing consistently and then started to flaky fail on 03/19/2020.

History:
https://results.webkit.org/?suite=layout-tests&test=tiled-drawing%2Fscrolling%2Ffixed%2Ffour-bars-zoomed.html&flavor=wk2&style=release

Diff:
--- /Volumes/Data/slave/catalina-release-tests-wk2/build/layout-test-results/tiled-drawing/scrolling/fixed/four-bars-zoomed-expected.txt
+++ /Volumes/Data/slave/catalina-release-tests-wk2/build/layout-test-results/tiled-drawing/scrolling/fixed/four-bars-zoomed-actual.txt
@@ -56,9 +56,9 @@
       (coverage rect 0.00, 0.00 341.30 x 254.35)
       (intersects coverage rect 1)
       (contentsScale 2.30)
-      (tile cache coverage 0, 0 341 x 445)
-      (tile size 785 x 512)
-      (top left tile 0, 0 tiles grid 1 x 2)
+      (tile cache coverage 0, 0 445 x 445)
+      (tile size 512 x 512)
+      (top left tile 0, 0 tiles grid 2 x 2)
       (in window 1)
       (children 4
         (GraphicsLayer

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