def test_write():
owi = Owi(board.PIN_LED)
assert owi.write(b'23') == 2
assert owi.write(b'23', 1) == 1
def test_write():
owi_stub.set_write([b'23', b'2'])
owi = Owi(board.PIN_LED)
assert owi.write(b'23') == 2
assert owi.write(b'23', 1) == 1
