@Autowired
    private AccountService accountService;

@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(classes = MockServletContext.class)
@WebAppConfiguration
public class AccountControllerITest {

private MockMvc mvc;

ObjectMapper om;

@Before
public void setUp() throws Exception {
    mvc = MockMvcBuilders.standaloneSetup(new AccountController()).build();
}

@Test
public void getAccounts() throws Exception {
    MvcResult mvcResult =     mvc.perform(MockMvcRequestBuilders.get("/api/accounts"))
            .andExpect(status().isOk())
            .andReturn();
}
}

@RestController
@RequestMapping("/api/accounts")
public class AccountController {

@Autowired
private AccountService accountService;

@RequestMapping(method = RequestMethod.GET)
public ResponseEntity<Set<AccountInfo>> getAccounts(@RequestParam(value = "firstName", required = false) String firstName,
                                                    @RequestParam(value = "surName", required = false)  String surName) {
    Set<AccountInfo> accounts = accountService.getAccounts(firstName, surName);
    return new ResponseEntity<>(accounts, HttpStatus.OK);
}