def test_example_b(self, test_input, expected):
     result = day15.part_b(test_input)
     self.assertEqual(result, expected)
 def test_answer_part_b(self):
     result = day15.part_b(util.get_file_contents('day15.txt'))
     self.assertEqual(result, '323')
 def test_answer_part_b(self):  # noqa D102
     result = day15.part_b(helpers.get_file_contents('day15.txt'))
     self.assertEqual(result, '75915')