public void me() throws Exception {
            facebook.setMockJSON("mock_json/post_id.json");
            BackdatingPostUpdate backdatingPostUpdate = new BackdatingPostUpdate("backdating post test.")
                                                            .backdatedTime(1362249213)
                                                            .backdatedTimeGranularity(BackdatedTimeGranularity.day);
            String actual = facebook.postBackdatingFeed(backdatingPostUpdate);
            assertThat(facebook.getHttpMethod(), is(RequestMethod.POST));
            assertThat(facebook.getEndpointURL(), is(pathOf("/me/feed")));
            assertThat(facebook.getHttpParameters(), hasPostParameter("backdated_time", "1362249213"));
            assertThat(facebook.getHttpParameters(), hasPostParameter("backdated_time_granularity", "day"));

            assertThat(actual, is("137246726435626_185932178233747"));
        }