def setUp(self): self.case_1 = Sortness([3, 2, 1, 4, 6, 7, 5, 8]) self.case_2 = Sortness([1, 2, 3]) self.case_3 = Sortness([5, 4, 3, 2, 1]) self.case_4 = Sortness([1, 5, 8, 7, 9, 6, 10, 12, 11, 3, 4, 2])