[Webkit-unassigned] [Bug 244549] New: Test addition (243907 at main): [ iOS ][ macOS ] imported/w3c/web-platform-tests/html/semantics/scripting-1/the-script-element/module/dynamic-import/blob-url-workers.window.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=244549

            Bug ID: 244549
           Summary: Test addition (243907 at main): [ iOS ][ macOS ]
                    imported/w3c/web-platform-tests/html/semantics/scripti
                    ng-1/the-script-element/module/dynamic-import/blob-url
                    -workers.window.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/semantics/scripting-1/the-script-element/module/dynamic-import/blob-url-workers.window.html

This test was added at 243907 at main and has been a flaky failure since on both iOS and macOS.  

REPRODUCTION STEPS
I can reproduce this on 253947 at main ToT.

Command: 
MacOS
run-webkit-tests --debug -1 --exit-after-n-failures 1 --exit-after-n-crashes-or-timeouts 1 --iterations 50 -f --no-retry imported/w3c/web-platform-tests/html/semantics/scripting-1/the-script-element/module/dynamic-import/blob-url-workers.window.html

iOS
run-webkit-tests --ios-simulator --exit-after-n-failures 1 --exit-after-n-crashes-or-timeouts 1 --iterations 50 --no-retry imported/w3c/web-platform-tests/html/semantics/scripting-1/the-script-element/module/dynamic-import/blob-url-workers.window.html

Result: 
Unexpected flakiness: text-only failures (1)
  imported/w3c/web-platform-tests/html/semantics/scripting-1/the-script-element/module/dynamic-import/blob-url-workers.window.html [ Failure Pass ]

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fsemantics%2Fscripting-1%2Fthe-script-element%2Fmodule%2Fdynamic-import%2Fblob-url-workers.window.html&platform=mac&platform=ios&limit=50000&recent=false

Diff:
--- /Volumes/Data/worker/Apple-Monterey-Debug-WK2-Tests/build/layout-test-results/imported/w3c/web-platform-tests/html/semantics/scripting-1/the-script-element/module/dynamic-import/blob-url-workers.window-expected.txt
+++ /Volumes/Data/worker/Apple-Monterey-Debug-WK2-Tests/build/layout-test-results/imported/w3c/web-platform-tests/html/semantics/scripting-1/the-script-element/module/dynamic-import/blob-url-workers.window-actual.txt
@@ -1,5 +1,7 @@

-PASS A blob URL created in a window agent can be imported from a worker
+Harness Error (TIMEOUT), message = null
+
+TIMEOUT A blob URL created in a window agent can be imported from a worker Test timed out
 PASS A blob URL revoked in a window agent will not resolve in a worker
 PASS A revoked blob URL will not resolve in a worker even if it's in the window's module graph

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