def METHOD_NAME():
    # 2000-01-12T12:13:14Z -> P1Y3M5DT7H10M3S -> 2001-04-17T19:23:17Z
    t = add_duration(str_to_time("2000-01-12T12:13:14Z"), "P1Y3M5DT7H10M3S")
    assert t.tm_year == 2001
    assert t.tm_mon == 4
    assert t.tm_mday == 17
    assert t.tm_hour == 19
    assert t.tm_min == 23
    assert t.tm_sec == 17