@Test
public void getPing() throws Exception {

  given(ping.ping()).willReturn(pingTime);
  given(tickerManager.getTickers()).willReturn(tickers);
  PingResponse expected = new PingResponse(pingTime);
  mvc.perform(
      get(String.format("%s/%s", TurbineCondenserConstants.REST_ROOT_TURBINE, "ping"))
          .accept(MediaType.APPLICATION_JSON))
      .andExpect(status().isOk())
      .andExpect(content().json(json.writeValueAsString(expected)));
  // .andExpect(content().string(equalTo("123")));
}