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))