def test__indice_maxes_returns_all_keys_if_n_is_0(
        searcher: FuzzySearcher, initial_matches: Dict[int, int]) -> None:
    """It returns input unchanged if n is 0."""
    assert searcher._indice_maxes(initial_matches, 0) == [1, 4, 5, 8, 9]
def test__indice_maxes_returns_n_keys_with_max_values(
        searcher: FuzzySearcher, initial_matches: Dict[int, int]) -> None:
    """It returns the n keys correctly sorted."""
    assert searcher._indice_maxes(initial_matches, 3) == [8, 9, 4]