'A list filter that filters the queryset by default gives the correct
full_result_count.'

def test_list_filter_queryset_filtered_by_default(self):

    modeladmin = NotNinetiesListFilterAdmin(Book, site)
    request = self.request_factory.get('/', {})
    changelist = self.get_changelist(request, Book, modeladmin)
    changelist.get_results(request)
    self.assertEqual(changelist.full_result_count, 4)
