def METHOD_NAME():
    """
    Checks if interval function is properly looped in the total_load method. At first we check if returned object is DataFrame,
    then we check if returned DataFrame for smaller date range contains less rows than DataFrame returned for bigger date range.
    """
    from_date = "2022-04-01"
    to_date = "2022-04-12"
    days_interval = 2
    source = "jobs"
    date_object = datetime.strptime(from_date, "%Y-%m-%d") + timedelta(
        days=days_interval
    )
    one_interval = date_object.strftime("%Y-%m-%d")
    df = vc.total_load(
        from_date=from_date, to_date=to_date, days_interval=days_interval, source=source
    )
    df_one_interval = vc.total_load(
        from_date=from_date,
        to_date=one_interval,
        days_interval=days_interval,
        source=source,
    )
    assert isinstance(df, pd.DataFrame)
    assert len(df) > len(df_one_interval)