Bug 231328 – [ iOS macOS wk2 ] http/tests/preload/onload_event.html is flaky failing

• Component: New Bugs
• Status: NEW

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

[Radar WebKit Bug Importer]

<rdar://problem/83949027>

Marked test expectations: https://trac.webkit.org/changeset/283654/webkit

[Ben Schwartz]

https://webkit.org/b/231328
Now tracking in rdar://80340581.

[Ben Schwartz]

<rdar://problem/80340581>