[Webkit-unassigned] [Bug 72189] New: accessibility/adjacent-continuations-cause-assertion-failure.html flaky on Chromium win release bot

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=72189

           Summary: accessibility/adjacent-continuations-cause-assertion-f
                    ailure.html flaky on Chromium win release bot
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ojan at chromium.org
                CC: arv at chromium.org


This looks like a bug in the test harness. Not really sure how this would happen. Looking at the diff, something would have to be going wrong with js-test-pre. I don't really understand how it's possible though. The same call that prints "Make sure that a debug assert is not triggered when constructing the accessibility tree for this page." should print the missing lines.

It's also weird that it just recently got flaky on only the Chromium windows bot (http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=accessibility%2Fadjacent-continuations-cause-assertion-failure.html).

My best guess is that there is some weird interaction between this test and some test that runs before it.

--- e:\b\build\slave\Webkit_Win\build\layout-test-results\accessibility/adjacent-continuations-cause-assertion-failure-expected.txt 
+++ e:\b\build\slave\Webkit_Win\build\layout-test-results\accessibility/adjacent-continuations-cause-assertion-failure-actual.txt 
@@ -3,10 +3,7 @@
 z
 End of test
 Make sure that a debug assert is not triggered when constructing the accessibility tree for this page.
-
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
 AXRole: AXWebArea AXValue: 
     AXRole: AXStaticText AXValue: x
     AXRole: AXGroup AXValue:

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