@Test
public void verify_create_paged_list_called_every_time_in_error() throws InterruptedException {

	when(usecase.getNewsPagedList()).thenReturn(Observable.create(emitter -> {
		emitter.onError(new NullPointerException());
	}));
	verify(usecase, times(0)).getNewsPagedList();
	viewModel.createNewsPagedList();
	verify(usecase, times(1)).getNewsPagedList();
	viewModel.createNewsPagedList();
	verify(usecase, times(2)).getNewsPagedList();
	viewModel.createNewsPagedList();
	verify(usecase, times(3)).getNewsPagedList();
}