[Webkit-unassigned] [Bug 198924] New: http/tests/security/isolatedWorld/bypass-main-world-csp-worker.html is a Flakey Failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=198924

            Bug ID: 198924
           Summary: http/tests/security/isolatedWorld/bypass-main-world-cs
                    p-worker.html is a Flakey 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: russell_e at apple.com

http/tests/security/isolatedWorld/bypass-main-world-csp-worker.html has been flakily failing in WK1.

Frequency of failure appears to have increased recently.

Point of regression is not obvious because older builds are still failing.

Steps to Reproduce:

run-webkit-tests --iter 10000 --exit-after-n-failures 1 -f -1 http/tests/security/isolatedWorld/bypass-main-world-csp-worker.html 

History:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Ftests%2Fsecurity%2FisolatedWorld%2Fbypass-main-world-csp-worker.html

Diff:

--- /Volumes/Data/slave/mojave-release-tests-wk1/build/layout-test-results/http/tests/security/isolatedWorld/bypass-main-world-csp-worker-expected.txt
+++ /Volumes/Data/slave/mojave-release-tests-wk1/build/layout-test-results/http/tests/security/isolatedWorld/bypass-main-world-csp-worker-actual.txt
@@ -1,3 +1,4 @@
+CONSOLE MESSAGE: line 3: ReferenceError: Can't find variable: alert
 This tests that in an isolated world the Content Security Policy of the parent origin (this page) is bypassed and a Web Worker is allowed to be instantiated with a script URL not listed in the CSP of the page.

 PASS worker instantiated.

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