@Before
  public void setUp() {
    districtFacade = new DefaultDistrictFacade();

    districtService = mock(DistrictService.class);
    districtFacade.setDistrictService(districtService);
    districtPopulator = mock(DistrictPopulator.class); // new DistrictPopulator();
    districtFacade.setDistrictPopulator(districtPopulator);
  }