def METHOD_NAME(pudl_out_eia, live_dbs, cols, df_name):
    """Verify that output DataFrames have no entirely NULL columns."""
    if not live_dbs:
        pytest.skip("Data validation only works with a live PUDL DB.")
    skip_table_if_null_freq_table(table_name=df_name, freq=pudl_out_eia.freq)
    pv.no_null_cols(
        pudl_out_eia.__getattribute__(df_name)(), cols=cols, df_name=df_name
    )