chromium/third_party/blink/web_tests/http/tests/websocket/workers/connect-error-by-no-websocket-server-closeonclose.html

<!DOCTYPE html>
<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script type="text/javascript">
description("Verify firing error event behaviors in Worker when close() is called from onclose.");

window.jsTestIsAsync = true;

var worker = startWorker("resources/connect-error-by-no-websocket-server-closeonclose.js");

</script>
</body>
</html>