diff -r 000000000000 -r 6474c204b198 dom/tests/mochitest/ajax/offline/changingManifest.sjs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/tests/mochitest/ajax/offline/changingManifest.sjs	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,27 @@
+function handleRequest(request, response)
+{
+  var match = request.queryString.match(/^state=(.*)$/);
+  if (match)
+  {
+    response.setStatusLine(request.httpVersion, 204, "No content");
+    setState("offline.changingManifest", match[1]);
+  }
+
+  if (request.queryString == "")
+  {
+    response.setStatusLine(request.httpVersion, 200, "Ok");
+    response.setHeader("Content-Type", "text/cache-manifest");
+    response.setHeader("Cache-Control", "no-cache");
+    response.write(
+      "CACHE MANIFEST\n" +
+      "# v" + getState("offline.changingManifest") + "\n" +
+      "changing1Hour.sjs\n" +
+      "changing1Sec.sjs\n");
+      
+    if (getState("offline.changingManifest") != "2") {
+      response.write(
+        "NETWORK:\n" +
+        "onwhitelist.html\n");
+    }
+  }
+}