wpt / xhr / xmlhttprequest-timeout-worker-twice.html?timeout fires normally with same timeout set twice

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Runs: Chrome 158.0.8110.0 (wpt@456f346c2, 2026-10-18) | Firefox 160.0a1 (wpt@b58866519, 2026-10-18) | Safari 254 preview (wpt@470a7adf8, 2026-10-18) | Ladybird 1.0-ecff1 (wpt@850b36a56, 2026-10-18) | Servo Servo 0.7 (wpt@df642c414, 2026-10-17) | Blitz fb8d6c15e (wpt@cd1d8aa5b, 2026-10-17)

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SubtestChromeFirefoxSafariLadybirdServoBlitz
Timeout test: timeout fires normally with same timeout set twice, original timeout at 2000, reset at 1000 to 2000PASSPASSPASSPASSPASS—

/xhr/xmlhttprequest-timeout-worker-twice.html

 <!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>XHR2 Timeout Property Tests in Worker</title>
    <link rel="help" href="https://xhr.spec.whatwg.org/#the-timeout-attribute" data-tested-assertations="following::ol[1]/li[2]" />
    <link rel="help" href="https://xhr.spec.whatwg.org/#handler-xhr-ontimeout" data-tested-assertations="../.."/>
    <link rel="help" href="https://xhr.spec.whatwg.org/#timeout-error" data-tested-assertations=".."/>
    <link rel="help" href="https://xhr.spec.whatwg.org/#request-error" data-tested-assertations="following::ol[1]/li[9]"/>
    <link rel="help" href="https://xhr.spec.whatwg.org/#infrastructure-for-the-send()-method" data-tested-assertations="following-sibling::dl//code[contains(@title,'dom-XMLHttpRequest-timeout')]/.. following-sibling::dl//code[contains(@title,'dom-XMLHttpRequest-timeout')]/../following-sibling::dd following::dt[1] following::dd[1]" />
    <meta name=timeout content=long>
    <meta name=variant content="?load fires normally with no timeout set, twice">
    <meta name=variant content="?load fires normally with same timeout set twice">
    <meta name=variant content="?timeout fires normally with same timeout set twice">
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <script src="resources/xmlhttprequest-timeout-runner.js"></script>
</head>
<body>
    <h1>Description</h1>
    <p>This test validates that the XHR2 timeout property behaves as expected in in a worker context.</p>
    <div id="log"></div>
    <script type="text/javascript">
        var worker = new Worker("resources/xmlhttprequest-timeout-twice.js" + location.search);
        worker.addEventListener("message", testResultCallbackHandler);
    </script>
</body>
</html>