[Webkit-unassigned] [Bug 177214] New: Layout test imported/w3c/web-platform-tests/FileAPI/historical.https.html is flaky.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=177214

            Bug ID: 177214
           Summary: Layout test
                    imported/w3c/web-platform-tests/FileAPI/historical.htt
                    ps.html is flaky.
           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: jlewis3 at apple.com
                CC: beidson at apple.com, youennf at gmail.com

imported/w3c/web-platform-tests/FileAPI/historical.https.html is a flaky failure on El Capitan WK2 Debug according to the flakiness dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fw3c%2Fweb-platform-tests%2FFileAPI%2Fhistorical.https.html

recent build:
https://build.webkit.org/results/Apple%20El%20Capitan%20Debug%20WK2%20(Tests)/r222228%20(3163)/results.html


diff:

--- /Volumes/Data/slave/elcapitan-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/FileAPI/historical.https-expected.txt
+++ /Volumes/Data/slave/elcapitan-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/FileAPI/historical.https-actual.txt
@@ -1,3 +1,4 @@
+CONSOLE MESSAGE: line 153: TypeError: undefined is not an object (evaluating 'registration.unregister')

 PASS "toNativeLineEndings" should not be supported 
 FAIL "FileError" should not be supported assert_false: expected false got true

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