def METHOD_NAME(mock_run, parse_records, record_q, capsys):
    run = mock_run()
    run.define_metric(
        "junk",
        extra=1,
        another=2,
    )
    captured = capsys.readouterr()
    print("GOT out", captured.out)
    print("GOT err", captured.err)
    assert "Unhandled define_metric() arg: extra" in captured.err
    assert "Unhandled define_metric() arg: another" in captured.err
    parsed = parse_records(record_q)
    assert len(parsed.records) == 1
    assert len(parsed.metric) == 1