[Webkit-unassigned] [Bug 227823] New: [GTK][WPE] Some tests in imported/w3c/web-platform-tests/cookies/prefix/ are flaky

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=227823

            Bug ID: 227823
           Summary: [GTK][WPE] Some tests in
                    imported/w3c/web-platform-tests/cookies/prefix/ are
                    flaky
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WPE WebKit
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: clopez at igalia.com
                CC: bugs-noreply at webkitgtk.org

The following tests imported in 279585 are flaky:

Regressions: Unexpected text-only failures (8)
  imported/w3c/web-platform-tests/cookies/prefix/__host.document-cookie.html [ Failure ]
  imported/w3c/web-platform-tests/cookies/prefix/__host.document-cookie.https.html [ Failure ]
  imported/w3c/web-platform-tests/cookies/prefix/__host.header.html [ Failure ]
  imported/w3c/web-platform-tests/cookies/prefix/__host.header.https.html [ Failure ]
  imported/w3c/web-platform-tests/cookies/prefix/__secure.document-cookie.html [ Failure ]
  imported/w3c/web-platform-tests/cookies/prefix/__secure.document-cookie.https.html [ Failure ]
  imported/w3c/web-platform-tests/cookies/prefix/__secure.header.html [ Failure ]
  imported/w3c/web-platform-tests/cookies/prefix/document-cookie.non-secure.html [ Failure ]


The flakiness happen due to same random integer that appears on the text results.

Example:

Run 1

-PASS __Host: Non-secure origin: 'Path=/;MaxAge=10'
+FAIL __Host: Non-secure origin: 'Path=/;MaxAge=10' assert_equals: `__Host-prefixtestcookie=0.47609837379802233` in `document.cookie` expected false but got true

Run 2:

-PASS __Host: Non-secure origin: 'Path=/;MaxAge=10'
+FAIL __Host: Non-secure origin: 'Path=/;MaxAge=10' assert_equals: `__Host-prefixtestcookie=0.4836850576033984` in `document.cookie` expected false but got true

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