function handleRequest(request, response) { var page = "bug 906190"; var path = "https://test1.example.com/browser/browser/base/content/test/general/"; var url; if (request.queryString.includes('bad-redirection=1')) { url = path + "this_page_does_not_exist.html"; } else { url = path + "file_bug906190_redirected.html"; } response.setHeader("Cache-Control", "no-cache", false); response.setHeader("Content-Type", "text/html", false); response.setStatusLine(request.httpVersion, "302", "Found"); response.setHeader("Location", url, false); response.write(page); }