[Webkit-unassigned] [Bug 231328] New: [ iOS macOS wk2 ] http/tests/preload/onload_event.html is flaky failing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=231328

            Bug ID: 231328
           Summary: [ iOS macOS wk2 ] http/tests/preload/onload_event.html
                    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: ayumi_kojima at apple.com

http/tests/preload/onload_event.html

Is flaky failing on iOS and macOS wk2.

History: https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Fpreload%2Fonload_event.html

The test has been flaky failing on iOS 14, but it appears that the test started being flaky on macOS wk2 relatively recently at around r283106.

Result page: https://build.webkit.org/results/Apple-iOS-15-Simulator-Debug-WK2-Tests/r283612%20(72)/results.html

Diff:

--- /Volumes/Data/worker/ios-simulator-15-debug-tests-wk2/build/layout-test-results/http/tests/preload/onload_event-expected.txt
+++ /Volumes/Data/worker/ios-simulator-15-debug-tests-wk2/build/layout-test-results/http/tests/preload/onload_event-actual.txt
@@ -2,6 +2,9 @@
 CONSOLE MESSAGE: <link rel=preload> must have a valid `as` value
 CONSOLE MESSAGE: <link rel=preload> must have a valid `as` value
 CONSOLE MESSAGE: <link rel=preload> must have a valid `as` value
+CONSOLE MESSAGE: The resource http://127.0.0.1:8000/resources/test.ogv was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it wasn't preloaded for nothing.
+CONSOLE MESSAGE: The resource http://127.0.0.1:8000/security/resources/captions.vtt was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it wasn't preloaded for nothing.
+CONSOLE MESSAGE: The resource http://127.0.0.1:8000/resources/dummy.xml?fetch was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it wasn't preloaded for nothing.
 PASS successfullyParsed is true

 TEST COMPLETE

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