def test_pop_none(self):
wrap = ListProxy(MockConfig(), IntField(), [1, 2, '3'])
val = wrap.pop()
assert val == 3
assert wrap._items == [1, 2]
def test_pop_index(self):
wrap = ListProxy(MockConfig(), IntField(), [1, 2, '3'])
val = wrap.pop(1)
assert val == 2
assert wrap._items == [1, 3]
