<!doctype html>
<title>WebSockets: 301 Code Failed</title>
<meta name=author title="Domenico Rizzo" href="mailto:domenico.rizzo@gmail.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../constants.sub.js"></script>
<div id="log"></div>
<script>
async_test(function(t) {
    t.step(function() {
        const ws = new WebSocket(new URL("resources/redirect_response.py", location.href));

        ws.onopen = t.step_func(function() {
     