Bug 280879 – [ macOS ] TestWebKitAPI.SiteIsolation.RunOpenPanel is a flaky failure

• Component: WebKit Process Model
• Status: NEW

[Dawn Morningstar]

TestWebKitAPI.SiteIsolation.RunOpenPanel
Is a flaky failure across all macOS queues, it also occasionally times out.

HISTORY:
https://results.webkit.org/?suite=api-tests&test=TestWebKitAPI.SiteIsolation.RunOpenPanel

TEST-RUN:
https://build.webkit.org/#/builders/1230/builds/159

STDIO:
https://build.webkit.org/#/builders/1230/builds/159/steps/19/logs/stdio

FAILURE:
Failed
    TestWebKitAPI.SiteIsolation.RunOpenPanel
        2024-10-03 02:31:14.253 TestWebKitAPI[52947:4547289] +[IMKClient subclass]: chose IMKClient_Legacy
        2024-10-03 02:31:14.353 TestWebKitAPI[52947:4547289] Encountered error: Error Domain=WKErrorDomain Code=4 "A JavaScript exception occurred" UserInfo={WKJavaScriptExceptionLineNumber=1, WKJavaScriptExceptionMessage=TypeError: undefined is not an object (evaluating 'document.getElementsByTagName('input')[0].files[0].name'), WKJavaScriptExceptionColumnNumber=51, WKJavaScriptExceptionSourceURL=https://b.com/subframe, NSLocalizedDescription=A JavaScript exception occurred} while evaluating script: document.getElementsByTagName('input')[0].files[0].name
        
        /Volumes/Data/worker/Apple-Sequoia-Release-Build/build/Tools/TestWebKitAPI/cocoa/TestWKWebView.mm:563
        Value of: !error
          Actual: false
        Expected: true
        
        
        
        /Volumes/Data/worker/Apple-Sequoia-Release-Build/build/Tools/TestWebKitAPI/Tests/WebKitCocoa/SiteIsolation.mm:1430
        Expected equality of these values:
          "test"
          [webView objectByEvaluatingJavaScript:@"document.getElementsByTagName('input')[0].files[0].name" inFrame:[webView firstChildFrame]]
            Which is: ""

[Radar WebKit Bug Importer]

<rdar://problem/137267779>

[Dawn Morningstar]

Pull request: https://github.com/WebKit/WebKit/pull/34690

[EWS]

Test gardening commit 284671@main (1c1623d685d7): <https://commits.webkit.org/284671@main>

Reviewed commits have been landed. Closing PR #34690 and removing active labels.