[ Catalina BigSur ] imported/w3c/web-platform-tests/resource-timing/sizes-redirect-img.html is a flaky failure

• Component: DOM
• Status: NEW ---

[Eric Hutchison]

imported/w3c/web-platform-tests/resource-timing/sizes-redirect-img.html

is a flaky failure on Catalina and BigSur arm64.

History: https://results.webkit.org/?suite=layout-tests&test=imported/w3c/web-platform-tests/resource-timing/sizes-redirect-img.html

Results: https://ews-build.webkit.org/#/builders/60/builds/12863, https://ews-build.s3-us-west-2.amazonaws.com/macOS-AppleSilicon-Big-Sur-Debug-WK2-Tests-EWS/r439367-12863/results.html

Diff:
--- /Volumes/Data/worker/macOS-AppleSilicon-Big-Sur-Debug-WK2-Tests-EWS/build/layout-test-results/imported/w3c/web-platform-tests/resource-timing/sizes-redirect-img-expected.txt
+++ /Volumes/Data/worker/macOS-AppleSilicon-Big-Sur-Debug-WK2-Tests-EWS/build/layout-test-results/imported/w3c/web-platform-tests/resource-timing/sizes-redirect-img-actual.txt
@@ -1,7 +1,9 @@
+
+Harness Error (TIMEOUT), message = null
 
 PASS PerformanceResourceTiming sizes redirect image - direct URL
 PASS PerformanceResourceTiming sizes redirect image - same origin redirect
 PASS PerformanceResourceTiming sizes redirect image - cross origin redirect
-PASS PerformanceResourceTiming sizes redirect image - cross origin to same origin redirect
-PASS PerformanceResourceTiming sizes redirect image - same origin to remote origin to same origin redirect
+TIMEOUT PerformanceResourceTiming sizes redirect image - cross origin to same origin redirect Test timed out
+NOTRUN PerformanceResourceTiming sizes redirect image - same origin to remote origin to same origin redirect

I don't currently have arm64 platform to attempt local repro with.

[Radar WebKit Bug Importer]

<rdar://problem/83593693>

[Eric Hutchison]

Updated test expectations at https://trac.webkit.org/changeset/283141/webkit

[Eric Hutchison]

Issue also occurring on Intel. Updated expectations to reflect this: https://trac.webkit.org/changeset/283261/webkit