def METHOD_NAME():
    path = file_relative_path(__file__, "canada.csv")
    input_df = dd.read_csv(path)
    # Reset the index without dropping. We expect the index to be moved
    # to the columns, as a column named "index".
    run_config = generate_config(path, reset_index={})
    result = wrap_op_in_graph_and_execute(
        passthrough, run_config=run_config, do_input_mapping=False
    )
    output_df = result.output_value()
    assert "index" in output_df.columns
    assert len(output_df.columns) == len(input_df.columns) + 1