<!DOCTYPE html>
<html>
<head>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.setXSSAuditorEnabled(true);
}
</script>
</head>
<body>
<iframe src='http://localhost:8000/security/xssAuditor/resources/echo-dom-write-location.html?q=<script>document.write("<img src=1 ");</script>onerror=alert(/XSS/)'>
</iframe>
</body>
</html>