Layout Test http/tests/resourceLoadStatistics/partitioned-and-unpartitioned-cookie-deletion.html is flaky

• Component: New Bugs
• Status: NEW ---

[Matt Lewis]

The following layout test is flaky on High Sierra WK2

http/tests/resourceLoadStatistics/partitioned-and-unpartitioned-cookie-deletion.html

Probable cause:

This was supposedly fixed in https://bugs.webkit.org/show_bug.cgi?id=183024 but the flaky failure has continued.

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Ftests%2FresourceLoadStatistics%2Fpartitioned-and-unpartitioned-cookie-deletion.html

https://build.webkit.org/results/Apple%20High%20Sierra%20Release%20WK2%20(Tests)/r228954%20(3106)/results.html

Diff:
--- /Volumes/Data/slave/highsierra-release-tests-wk2/build/layout-test-results/http/tests/resourceLoadStatistics/partitioned-and-unpartitioned-cookie-deletion-expected.txt
+++ /Volumes/Data/slave/highsierra-release-tests-wk2/build/layout-test-results/http/tests/resourceLoadStatistics/partitioned-and-unpartitioned-cookie-deletion-actual.txt
@@ -27,13 +27,13 @@
 --------
 After removal, should receive no cookies.
 Did not receive cookie named 'firstPartyCookie'.
-Did not receive cookie named 'thirdPartyCookie'.
-Client-side document.cookie:
+Received cookie named 'thirdPartyCookie'.
+Client-side document.cookie: thirdPartyCookie=value
 
 --------
 Frame: '<!--framePath //<!--frame4-->-->'
 --------
 After user interaction, should receive no cookies.
-Did not receive cookie named 'firstPartyCookie'.
+Received cookie named 'firstPartyCookie'.
 Did not receive cookie named 'thirdPartyCookie'.
-Client-side document.cookie:
+Client-side document.cookie: firstPartyCookie=value

[Ryan Haddad]

Marked test as flaky in https://trac.webkit.org/changeset/229084/webkit

[Radar WebKit Bug Importer]

<rdar://problem/37964689>

[Ryan Haddad]

This is still happening.