def METHOD_NAME():
    """
    Make sure pivot without columns returns correct DataFrame
    """
    df = pivot(
        df=categories_df,
        index=["name"],
        aggregates=AGGREGATES_SINGLE,
    )
    assert df.columns.tolist() == ["idx_nulls"]
    assert len(df) == 101
    assert df["idx_nulls"].sum() == 1050