[Webkit-unassigned] [Bug 210655] New: REGRESSION: (r260243) [ Mac and iOS ] imported/w3c/web-platform-tests/css/cssom-view/MediaQueryList-addListener-handleEvent.html fails.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=210655

            Bug ID: 210655
           Summary: REGRESSION: (r260243) [ Mac and iOS ]
                    imported/w3c/web-platform-tests/css/cssom-view/MediaQu
                    eryList-addListener-handleEvent.html fails.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Macintosh
                OS: macOS 10.15
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Lawrence.j at apple.com

imported/w3c/web-platform-tests/css/cssom-view/MediaQueryList-addListener-handleEvent.html

Description:
This test is failing on all platforms, styles and flavors. The test was passing consistently until r260242, but it regressed with r260243.

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcssom-view%2FMediaQueryList-addListener-handleEvent.html&limit=50000

Diff:
--- /Volumes/Data/slave/catalina-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/css/cssom-view/MediaQueryList-addListener-handleEvent-expected.txt
+++ /Volumes/Data/slave/catalina-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/css/cssom-view/MediaQueryList-addListener-handleEvent-actual.txt
@@ -1,4 +1,4 @@
-CONSOLE MESSAGE: line 102: [object Object]
+CONSOLE MESSAGE: [object Object]
 CONSOLE MESSAGE: TypeError: 'handleEvent' property of event listener should be callable
 CONSOLE MESSAGE: TypeError: 'handleEvent' property of event listener should be callable

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