def test_index_start_stop():
p = Parameter("Z", [VAL_1, VAL_2, VAL_3, VAL_4])
error_message = re.escape(f"{repr(VAL_4)} is not in list")
with pytest.raises(ValueError, match=error_message):
p.index(VAL_4, 0, 2)
def test_index():
p = Parameter("Z", [VAL_1, VAL_2, VAL_3, VAL_4])
index = p.index(VAL_3)
assert index == 2
