chromium/third_party/blink/web_tests/dom/mutation-event-tests/editing/execCommand/insert-ordered-list-crash.html

<!DOCTYPE html>
<html>
<head>
    <title>Issue 344280</title>
    <script src="../../../../resources/js-test.js"></script>
</head>
<body>
    <script>
        description('Should not crash if we load a test case from crbug.com/344280.');

        window.jsTestIsAsync = true;

        window.addEventListener('message', didReceiveMessage, false);

        var iframe = document.createElement('iframe');
        iframe.src = 'resources/insert-ordered-list-crash-iframe.html';
        document.body.appendChild(iframe);

        function didReceiveMessage(event) {
            shouldBeEqualToString('event.data', 'FINISH');
            document.body.removeChild(iframe);
            testPassed('Did not crash.');
            window.finishJSTest();
        }
    </script>
</body>
</html>