[Webkit-unassigned] [Bug 194368] New: REGRESSION (240727) [ Mac iOS ] Layout Test http/tests/workers/service/basic-register-exceptions.html is flaky

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=194368

            Bug ID: 194368
           Summary: REGRESSION (240727) [ Mac iOS ] Layout Test
                    http/tests/workers/service/basic-register-exceptions.h
                    tml is flaky
           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: sroberts at apple.com
                CC: lforschler at apple.com

The following layout test is flaky on Mac and iOS

http/tests/workers/service/basic-register-exceptions.html

Probable cause:

Test became a regression after 240727

Reproduced with:

run-webkit-tests d240727 http/tests/workers/service/basic-register-exceptions.html --iterations 5000 -f --exit-after-n-failures=1 --no-retry-failures --debug

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Ftests%2Fworkers%2Fservice%2Fbasic-register-exceptions.html

Diff:

--- /Volumes/Data/slave/mojave-debug-tests-wk2/build/layout-test-results/http/tests/workers/service/basic-register-exceptions-expected.txt
+++ /Volumes/Data/slave/mojave-debug-tests-wk2/build/layout-test-results/http/tests/workers/service/basic-register-exceptions-actual.txt
@@ -5,5 +5,6 @@
 CONSOLE MESSAGE: line 60: Registration failed with error: TypeError: Scope URL provided to serviceWorker.register() must be either HTTP or HTTPS
 CONSOLE MESSAGE: line 70: Registration failed with error: TypeError: Scope URL provided to serviceWorker.register() cannot have a path that contains '%2f' or '%5c'
 CONSOLE MESSAGE: line 80: Registration failed with error: SecurityError: Script origin does not match the registering client's origin
+CONSOLE MESSAGE: line 10: Registration failed with error: TypeError: Script load failed
 CONSOLE MESSAGE: line 91: Registration failed with error: SecurityError: Scope origin does not match the registering client's origin

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