private void createResponder() throws Exception {
   WikiImporter importer = new WikiImporter();
   importer.setDeleteOrphanOption(false);
   responder = new WikiImportingResponder(importer);
   responder.path = new WikiPagePath();
   ChunkedResponse response = new ChunkedResponse("html", new MockChunkedDataProvider());
   response.sendTo(new MockResponseSender());
   responder.setResponse(response);
 }