def test_should_fail_when_appending(self):
# given
lst = TypedList((int,), *[1, 2, 3])
# then
with pytest.raises(TypeError) as _:
lst.append("4")
def test_should_append_items(self):
# given
lst = TypedList((int,), *[1, 2, 3])
# when
lst.append(4)
# then
assert len(lst) == 4
assert 4 in lst