def test_pack_unpack():
assert unpack_pkt(pack_pkt(0x13, ['0x00','0x01','0x02'])) == ['0x00', '0x01', '0x02']
assert unpack_pkt(pack_pkt(0x34, ['0x00'])) == ['0x00']
assert unpack_pkt(pack_pkt(0x00, ['0x00'])) == ['0x00']
assert unpack_pkt(pack_pkt(0x12, ['0x00'])) == ['0x00']
def test_pack_unpack():
assert unpack_pkt(pack_pkt(0x13, ['0x00','0x01','0x02'])) == ['0x00', '0x01', '0x02']
assert unpack_pkt(pack_pkt(0x34, ['0x00'])) == ['0x00']
assert unpack_pkt(pack_pkt(0x00, ['0x00'])) == ['0x00']
assert unpack_pkt(pack_pkt(0x12, ['0x00'])) == ['0x00']