<html>
<head>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}
window.location = 'data:text/html,\
<form action="http://127.0.0.1:8000/security/originHeader/resources/print-origin.cgi"\
      method="POST">\
</form>\
<script>document.forms[0].submit();</scr' + 'ipt>';
</script>
</head>
<body>
</body>
</html>