def test_invalid_scalar_index(adata, index):
    # https://github.com/theislab/anndata/issues/619
    with pytest.raises(IndexError, match=r".*index.* out of range\."):
        _ = adata[index]
def test_base_class_get_change_list_for_accepting_suggestion_raises_error(
            self):
        with self.assertRaisesRegex(
            NotImplementedError,
            'Subclasses of BaseSuggestion should implement '
            'get_change_list_for_accepting_suggestion.'):
            self.base_suggestion.get_change_list_for_accepting_suggestion()