[Webkit-unassigned] [Bug 215953] New: REGRESSION: [ Mac iOS ] imported/w3c/web-platform-tests/IndexedDB/blob-valid-before-commit.any.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=215953

            Bug ID: 215953
           Summary: REGRESSION: [ Mac iOS ]
                    imported/w3c/web-platform-tests/IndexedDB/blob-valid-b
                    efore-commit.any.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

imported/w3c/web-platform-tests/IndexedDB/blob-valid-before-commit.any.html

this test is a flaky failure on Mac and iOS

Diff:
--- /Volumes/Data/slave/catalina-release-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/IndexedDB/blob-valid-before-commit.any-expected.txt
+++ /Volumes/Data/slave/catalina-release-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/IndexedDB/blob-valid-before-commit.any-actual.txt
@@ -1,3 +1,10 @@
+CONSOLE MESSAGE: Unhandled Promise Rejection: NotFoundError: The object can not be found here.

-PASS Blobs can be read back before their records are committed. 
+Harness Error (FAIL), message = Unhandled rejection: The object can not be found here.

+TIMEOUT Blobs can be read back before their records are committed. Test timed out
+
+Harness Error (FAIL), message = Unhandled rejection: The object can not be found here.
+
+TIMEOUT Blobs can be read back before their records are committed. Test timed out
+

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2FIndexedDB%2Fblob-valid-before-commit.any.html

I am not able to reproduce the failure here but was able to reproduce a timeout 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 imported/w3c/web-platform-tests/IndexedDB/blob-valid-before-commit.any.html

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