[Gardening]: REGRESSION(210340@main?) [ WK2 macOS ] http/wpt/cache-st…

…orage/cache-quota-after-restart.any.html is a flaky failure

rdar://113189461
https://bugs.webkit.org/show_bug.cgi?id=259677

Unreviewed test gardening.

Updating existing test expectation.

* LayoutTests/platform/mac-wk2/TestExpectations:

Canonical link: https://commits.webkit.org/266478@main

LayoutTests/platform/mac-wk2/TestExpectations

@@ -933,7 +933,7 @@ http/wpt/cache-storage/cache-remove-twice.html [ Slow ]
 http/wpt/cache-storage/cache-open-delete-in-parallel.https.html [ Slow ]
 http/wpt/cache-storage/cache-quota-add.any.html [ Slow ]
 http/wpt/cache-storage/quota-third-party.https.html [ Slow ]
-http/wpt/cache-storage/cache-quota-after-restart.any.html [ Slow ]
+webkit.org/b/259677 http/wpt/cache-storage/cache-quota-after-restart.any.html [ Slow Pass Failure ]
 
 webkit.org/b/181502 swipe/pushstate-with-manual-scrollrestoration.html [ Failure ]