serenity/Tests/LibWeb/Text/input/Fetch/fetch-request-url-search-params.html

<script src="../include.js"></script>
<script type="text/javascript">
    asyncTest(async done => {
        const body = new URLSearchParams();
        body.append("username", "buggie");
        body.append("password", "hunter2");

        const request = new Request("fetch-url-search-params.html", {
            method: "POST",
            body: body,
        });

        println(await request.text());
        done();
    });
</script>