@RequestMapping("/admin")
  public List<ServiceDTO> getAdminService() {
    return discoveryService.getServiceInstances(ServiceNameConsts.APOLLO_ADMINSERVICE);
  }
@Test
  public void testGetAdminService() {
    when(discoveryService.getServiceInstances(ServiceNameConsts.APOLLO_ADMINSERVICE))
        .thenReturn(someServices);

    assertEquals(someServices, serviceController.getAdminService());

  }