[Webkit-unassigned] [Bug 216263] New: REGRESSION: [macOS] TestWebKitAPI.WebKit.WKThumbnailViewResetsViewStateWhenUnparented is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=216263

            Bug ID: 216263
           Summary: REGRESSION: [macOS]
                    TestWebKitAPI.WebKit.WKThumbnailViewResetsViewStateWhe
                    nUnparented is a flaky failure
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com

The following API test recently became a flaky failure on macOS release bots:

    TestWebKitAPI.WebKit.WKThumbnailViewResetsViewStateWhenUnparented
        _RegisterApplication(), FAILED TO establish the default connection to the WindowServer, _CGSDefaultConnection() is NULL.

        /Volumes/Data/slave/mojave-release/build/Tools/TestWebKitAPI/Tests/WebKit/WKThumbnailView.mm:300
        Value of: [[webView objectByEvaluatingJavaScript:@"window.internals.isPageActive()"] boolValue]
          Actual: false
        Expected: true

https://results.webkit.org/?suite=api-tests&test=TestWebKitAPI.WebKit.WKThumbnailViewResetsViewStateWhenUnparented

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