def METHOD_NAME():
    # seconds from epoch == 1234567890
    reference_time = datetime.datetime(2009, 2, 13, 23, 31, 30, tzinfo=timezone.utc)
    mcs_from_epoch = 1234567890 * MCS_PER_SECOND
    assert prepare_timestamp_micros(reference_time, schema) == mcs_from_epoch
    timestamp_tst = reference_time.astimezone(tst)
    assert prepare_timestamp_micros(reference_time, schema) == prepare_timestamp_micros(
        timestamp_tst, schema
    )