<script src="../include.js"></script>
<script>
    asyncTest((done) => {
        const xhr = new XMLHttpRequest();
        xhr.open("GET", "data:text/html,hello", true);
        println("responseURL before: '" + xhr.responseURL + "'");
        xhr.onreadystatechange = function() {
            if (xhr.readyState === 4 && xhr.status === 200) {
                println("responseURL after: '" + xhr.responseURL + "'");
                done();
            }
        };
        xhr.send();
    });
</script>