<script src="../include.js"></script>
<script>
    asyncTest((done) => {
        const xhr = new XMLHttpRequest();
        xhr.responseType = "document";
        xhr.open("GET", "data:text/html,<!DOCTYPE html><html/>", true);
        xhr.onreadystatechange = function() {
            if (xhr.readyState === 4 && xhr.status === 200) {
                if (xhr.response instanceof Document)
                    println("PASS");
                else
                    println("FAIL");
                done();
     