@Test
 public void getVehicleDetailsWhenResultIsSuccessShouldReturnDetails() throws Exception {
   this.server
       .expect(requestTo("http://example.com/vehicle/" + VIN + "/details"))
       .andRespond(
           withSuccess(getClassPathResource("vehicledetails.json"), MediaType.APPLICATION_JSON));
   VehicleDetails details = this.service.getVehicleDetails(new VehicleIdentificationNumber(VIN));
   assertThat(details.getMake()).isEqualTo("Honda");
   assertThat(details.getModel()).isEqualTo("Civic");
 }