@Test
public void verify_getSearchPagedList_called_only_once_time() {

	when(usecase.getSearchPagedList(query)).thenReturn(Observable.just(pagedList));
	verify(usecase, times(0)).getSearchPagedList(query);
	viewModel.searchFor(query);
	verify(usecase, times(1)).getSearchPagedList(query);
	viewModel.searchFor(query);
	verify(usecase, times(1)).getSearchPagedList(query);
}