@Before
 public void setup() {
   fragment = ClubsFragment.newInstance();
   ((TestApplicationComponent) RacquetApplication.getApplication().getApplicationComponent())
       .inject(this);
   RacquetApplication.getApplication().getApplicationComponent().inject(fragment);
   mockRestService = (MockRacquetRestService) restService;
 }
  @Test
  public void pullToRefresh_refetchesClubs() {
    SupportFragmentTestUtil.startFragment(fragment);
    assertThat(fragment.adapter.getItemCount()).isEqualTo(0);

    Clubs clubs = ModelBuilder.getClubs(4, "Club Name");
    mockRestService.addResponse(clubs, true);
    fragment.onRefresh();

    assertThat(fragment.adapter.getItemCount()).isEqualTo(4);
  }