System.out.println("removeHouse");
HouseId hid = HouseId.H10;
DefaultPlanetModel instance = pm;
expectEv = PlanetModelEvent.EvType.REMOVE_HOUSE;
expectHid = hid;
House h01 = instance.removeHouse(hid);
assertEquals(hid, h01.getHouseId());
assertNull("Missing event", expectEv);
expectEv = PlanetModelEvent.EvType.REMOVE_HOUSE;
expectHid = hid;
House h02 = instance.removeHouse(hid);
assertNull("Unexpected house", h02);
assertNotNull("Unexpected event", expectEv);
}