NEW308326
[macOS debug] imported/w3c/web-platform-tests/fetch/api/basic/error-after-response.any.html is a flaky text failure
https://bugs.webkit.org/show_bug.cgi?id=308326
Summary [macOS debug] imported/w3c/web-platform-tests/fetch/api/basic/error-after-res...
Diego De La Toba
Reported 2026-02-20 13:21:35 PST
imported/w3c/web-platform-tests/fetch/api/basic/error-after-response.any.html is a flaky text failure on macOS debug. HISTORY: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Ffetch%2Fapi%2Fbasic%2Ferror-after-response.any.html DIFF: --- /Volumes/Data/worker/Apple-Tahoe-Debug-AppleSilicon-WK2-Tests/build/layout-test-results/imported/w3c/web-platform-tests/fetch/api/basic/error-after-response.any-expected.txt +++ /Volumes/Data/worker/Apple-Tahoe-Debug-AppleSilicon-WK2-Tests/build/layout-test-results/imported/w3c/web-platform-tests/fetch/api/basic/error-after-response.any-actual.txt @@ -1,4 +1,6 @@ + +Harness Error (TIMEOUT), message = null PASS Response reader read() promise should reject after a network error happening after resolving fetch promise -PASS Response reader closed promise should reject after a network error happening after resolving fetch promise +TIMEOUT Response reader closed promise should reject after a network error happening after resolving fetch promise Test timed out DIFF URL: https://build.webkit.org/results/Apple-Tahoe-Debug-AppleSilicon-WK2-Tests/307920%40main%20(947)/imported/w3c/web-platform-tests/fetch/api/basic/error-after-response.any-pretty-diff.html Reproduction: I was able to reproduce this failure on macOS Tahoe Debug ToT with the following: run-webkit-tests --no-build --no-retry --no-show-results --exit-after-n-failures=10 --expect-pass --iterations=1000 --force -f --clobber-old-results --release imported/w3c/web-platform-tests/fetch/api/basic/error-after-response.any.html --debug I am going to mark expectations as pass fail while this pends investigation
Attachments
Radar WebKit Bug Importer
Comment 1 2026-02-20 13:21:41 PST
Diego De La Toba
Comment 2 2026-02-20 13:24:43 PST
EWS
Comment 3 2026-02-20 13:32:16 PST
Test gardening commit 307940@main (c7fd223bb95d): <https://commits.webkit.org/307940@main> Reviewed commits have been landed. Closing PR #59112 and removing active labels.
Alexey Proskuryakov
Comment 4 2026-02-22 12:16:55 PST
This appears to be flaky on iOS and in release, not just on macOS Debug.
Diego De La Toba
Comment 5 2026-03-02 09:43:42 PST
EWS
Comment 6 2026-03-02 09:46:45 PST
Test gardening commit 308468@main (17128ab2f1de): <https://commits.webkit.org/308468@main> Reviewed commits have been landed. Closing PR #59722 and removing active labels.
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