def test_isdisjoint_negative(self):
s = SortedSet({1, 2, 3})
t = [3, 4, 5]
self.assertFalse(s.isdisjoint(t))
def test_isdisjoint_positive(self):
s = SortedSet({1, 2, 3})
t = [4, 5, 6]
self.assertTrue(s.isdisjoint(t))