def METHOD_NAME(get_dataframe, diff_reporter):
    """
    Regression test; the expected result is empty because the given subscriber does not make any calls on the given date.
    """
    subset_query = CustomQuery(
        """
        SELECT outgoing, datetime, duration, msisdn AS subscriber
        FROM events.calls
        WHERE datetime::date = '2016-01-01' AND duration > 2000
        """,
        ["outgoing", "datetime", "duration", "subscriber"],
    )
    dl = daily_location(
        "2016-01-03", table="events.calls", subscriber_subset=subset_query
    )
    df = get_dataframe(dl)
    diff_reporter(df.to_csv())