chromium/third_party/blink/web_tests/http/tests/xmlhttprequest/xmlhttprequest-responseXML-ensure-noscript.html

<!DOCTYPE html>
<script src="/js-test-resources/js-test.js"></script>
<script>
jsTestIsAsync = true;

var xhr = new XMLHttpRequest();
xhr.responseType = 'document';
xhr.onreadystatechange = function () {
    if (this.readyState != XMLHttpRequest.DONE)
        return;

    var html = xhr.responseXML.documentElement.innerHTML;
    if (html.indexOf("FAILED") >= 0)
        testFailed("response HTML script was executed");
    else
        testPassed("response HTML script was not executed");

    testRunner.notifyDone();
}

xhr.open("GET", "resources/noscript-check.html", true);
xhr.send(null);
</script>