chromium/third_party/blink/web_tests/http/tests/security/script-crossorigin-loads-correctly-dual.html

<!DOCTYPE HTML>
<p>This test passes if a script resource is loaded twice if asked to fetch it with and without CORS enabled.</p>
<pre></pre>
<!-- Non-CORS enabled script load, supplying credentials. -->
<script src="http://localhost:8000/security/resources/cors-script.php?cors=true&credentials=true&value=1&value_cors=2"></script>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

var expected = "12";

// Copy the 'result' value set by external script.
var outcome = result;
</script>
<!-- CORS enabled script load, supplying credentials. Should not re-use above cached script, as response will differ. -->
<script crossorigin="use-credentials" src="http://localhost:8000/security/resources/cors-script.php?cors=true&credentials=true&value=1&value_cors=2"></script>
<script>
outcome += result;
document.querySelector("pre").innerHTML = outcome === expected ? "PASS" : "FAIL";
if (window.testRunner)
    testRunner.notifyDone();
</script>