[Webkit-unassigned] [Bug 249367] New: [ New Test ] (257673 at main): [ iOS ] imported/w3c/web-platform-tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transferrable.w.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=249367

            Bug ID: 249367
           Summary: [ New Test ] (257673 at main): [ iOS ]
                    imported/w3c/web-platform-tests/html/canvas/offscreen/
                    manual/the-offscreen-canvas/offscreencanvas.transferra
                    ble.w.html is a flaky failure
           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: rackler at apple.com

Description:
imported/w3c/web-platform-tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transferrable.w.html

The test was added at 257673 at main and has been a flaky failure since then.

This issue can be bisected to 257673 at main using command:
run-webkit-tests --release -f --clobber-old-results --exit-after-n-failures 1  --force  --child-processes=5 --iterations=50  --ios-simulator  imported/w3c/web-platform-tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transferrable.w.html

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Foffscreen%2Fmanual%2Fthe-offscreen-canvas%2Foffscreencanvas.transferrable.w.html&platform=ios

Diff:
@@ -1,7 +1,9 @@
+
+Harness Error (TIMEOUT), message = null

 PASS Test that OffscreenCanvas's size is correct after being transferred from a worker.
 PASS Test that transfer an OffscreenCanvas that has a 2d context throws exception in a worker.
-PASS Test that transfer an OffscreenCanvas that has a webgl context throws exception in a worker.
+TIMEOUT Test that transfer an OffscreenCanvas that has a webgl context throws exception in a worker. Test timed out
 PASS Test that transfer an OffscreenCanvas twice throws exception in a worker.
 PASS Test that calling getContext('2d') on a detached OffscreenCanvas throws exception in a worker.
 PASS Test that calling getContext('webgl') on a detached OffscreenCanvas throws exception in a worker.

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