 = sinon.fakeServer.create();
        server.respondWith(
          'GET',
          /\/responds_to_get_with_json.*/,
          [
            200,
            responseHeaders.json,
            '{"success":true}'
          ]
        );

        server.respondWith(
          'POST',
          '/responds_to_post_with_json',
          [
            200,
            responseHeaders.json,
            '{"post_success":true}'
          ]
        );

        server.respondWith(
          'GET',
          '/responds_