def test_issubset_negative(self):
     s = SortedSet({1, 2, 3})
     t = [1, 2]
     self.assertFalse(s.issubset(t))
 def test_issubset_positive(self):
     s = SortedSet({1, 2, 3})
     t = [1, 2, 3]
     self.assertTrue(s.issubset(t))