Test for Bug 1222285
`;
function handleRequest(request, response) {
response.setHeader("Cache-Control", "no-cache", false);
response.setHeader("Content-Type", "text/html", false);
let queryString = new URLSearchParams(request.queryString);
let language = queryString.get("language");
if (language) {
response.setHeader("Content-Language", language, false);
}
response.write(HTML_DATA);
}