def METHOD_NAME():
    """Tests clean_names `strip_accents` parameter."""
    df = pd.DataFrame({"João": [1, 2], "Лука́ся": [1, 2], "Käfer": [1, 2]})
    df = df.clean_names(strip_accents=True)
    expected_columns = ["joao", "лукася", "kafer"]
    assert set(df.columns) == set(expected_columns)