@Test
public void showBusinessesAroundCoordinates_executesGetBusinessesAroundCoordinatesUseCase() throws Exception {

    // GIVEN
    Coordinates coordinates = mock(Coordinates.class);
    BusinessObserver observer = mock(BusinessObserver.class);
    given_onShowBusinessesAroundCoordinates(coordinates, observer, "");
    // WHEN
    testSubject.onShowBusinessesAroundCoordinates();
    // THEN
    verify(useCaseHandler).execute(getBusinessesAroundCoordinates, coordinates, observer);
}