diff -r 000000000000 -r 6474c204b198 dom/tests/mochitest/beacon/beacon-set-cookie.sjs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/tests/mochitest/beacon/beacon-set-cookie.sjs	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+function handleRequest(request, response)
+{
+  response.setHeader("Set-Cookie", "cookie="+ request.host + "~" + Math.random());
+  response.setHeader("Content-Type", "text/plain", false);
+  response.setHeader("Cache-Control", "no-cache", false);
+
+  response.setStatusLine(request.httpVersion, 200, "OK");
+}