def test_collect_open_doors_10_toggled(self):
     result = collect_open_doors(toggle_doors(generate_doors(10)))
     self.assertEqual(result, ["1", "4", "9"])
 def test_collect_open_doors_10_every_left_closed(self):
     result = collect_open_doors(generate_doors(10))
     self.assertEqual(result, [])