[Webkit-unassigned] [Bug 262130] New: New Test (264177 at main): [ macOS wk1 ] imported/w3c/web-platform-tests/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/form-submit-cross-frame.html is a flaky/consistent failure.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=262130

            Bug ID: 262130
           Summary: New Test (264177 at main): [ macOS wk1 ]
                    imported/w3c/web-platform-tests/html/browsers/browsing
                    -the-web/navigating-across-documents/replace-before-lo
                    ad/form-submit-cross-frame.html is a flaky/consistent
                    failure.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ben_schwartz at apple.com
                CC: cdumez at apple.com,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com

imported/w3c/web-platform-tests/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/form-submit-cross-frame.html

This test is a flaky failure on macOS wk1.

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fbrowsers%2Fbrowsing-the-web%2Fnavigating-across-documents%2Freplace-before-load%2Fform-submit-cross-frame.html&recent=false&flavor=wk1

TEXT DIFF:


-FAIL No replace before load, triggered by cross-iframe formElement.submit() assert_equals: frame's after-submit history.length expected 101 but got 100
+FAIL No replace before load, triggered by cross-iframe formElement.submit() assert_equals: frame's after-submit history.length expected 50 but got 49

DIFF URL:

https://build.webkit.org/results/Apple-Ventura-Debug-WK1-Tests/268448@main%20(3596)/imported/w3c/web-platform-tests/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/form-submit-cross-frame-pretty-diff.html

REPRODUCIBILITY:

I was able to reproduce this issue as a CONSTANT failure on macOS Ventura (13.5, 22G74/arm64) ToT using the following command:

run-webkit-tests -1 --clobber-old-results --verbose imported/w3c/web-platform-tests/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/form-submit-cross-frame.html

REGRESSION:

This test has been consistently flaky since its introduction at 264177 at main.

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