[Webkit-unassigned] [Bug 210308] New: REGRESSION: [ Mac ] storage/indexeddb/cursor-request-cycle-private.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=210308

            Bug ID: 210308
           Summary: REGRESSION: [ Mac ]
                    storage/indexeddb/cursor-request-cycle-private.html is
                    a flaky failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tsavell at apple.com

storage/indexeddb/cursor-request-cycle-private.html

This test is failing very infrequently. 

I am able to reproduce this test using command:
run-webkit-tests --iterations 2000 --exit-after-n-failures 1 --exit-after-n-crashes-or-timeouts 1 --debug-rwt-logging --no-retry --force --no-build -f -1 storage/indexeddb/cursor-request-cycle-private.html

history:
https://results.webkit.org/?suite=layout-tests&test=storage%2Findexeddb%2Fcursor-request-cycle-private.html

Diff:
--- /Volumes/Data/slave/catalina-release-tests-wk1/build/layout-test-results/storage/indexeddb/cursor-request-cycle-private-expected.txt
+++ /Volumes/Data/slave/catalina-release-tests-wk1/build/layout-test-results/storage/indexeddb/cursor-request-cycle-private-actual.txt
@@ -25,23 +25,10 @@
 Ensure requests are not released if cursors are still around.
 cursorRequests = null
 gc()
-PASS isAnyCollected(cursorRequestObservers) is false
-Ensure requests are not released if they are pending.
-cursors = null
-gc()
-PASS isAnyCollected(cursorObservers) is false
-PASS isAnyCollected(cursorRequestObservers) is false
-finalRequest = store.get(0)
-
-finalRequestSuccess():
-Ensure requests and cursors are released.
-PASS cursors is non-null.
-PASS cursors.length is 1000
-cursors = null
-gc()
-PASS isAnyCollected(cursorObservers) is true
-PASS isAnyCollected(cursorRequestObservers) is true
-PASS successfullyParsed is true
+FAIL isAnyCollected(cursorRequestObservers) should be false. Was true.
+FAIL Unexpected error: InvalidStateError: The object is in an invalid state.
+FAIL successfullyParsed should be true. Was false.
+Some tests failed.

 TEST COMPLETE

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