@Test
  public void shouldIndexAndFindAirportWithParents() {
    final List<AirportData> airports =
        airportFacade.find("london gatwick", null, null, brandList).getAirports();

    assertThat(airports, hasItem(new AirportData("LGW", "london gatwick")));
    final AirportData lgw =
        filter(
                airports,
                new Collections.FilterFn<uk.co.portaltech.tui.web.view.data.AirportData>() {
                  public boolean call(final AirportData input) {
                    return input.getId().equals("LGW");
                  }
                })
            .get(0);
    assertThat(lgw.getGroup(), hasItem("LN"));
  }
 @Test
 public void shouldIndexAndFindAirportWithChildren() {
   final List<AirportData> airports =
       airportFacade.find("any london", null, null, brandList).getAirports();
   assertThat(airports, hasItem(new AirportData("LN", "Any London")));
   final List<AirportData> anyLondons =
       filter(
           airports,
           new Collections.FilterFn<AirportData>() {
             @Override
             public boolean call(final AirportData input) {
               return input.getId().equals("LN");
             }
           });
   assertThat(anyLondons, is(notNullValue()));
   assertThat(anyLondons, hasItem(new AirportData("LN", "AnyLondon")));
   final AirportData anyLondon = anyLondons.get(0);
   assertThat(anyLondon.getChildren(), hasItem("LGW"));
 }