def test_room_traversal(self):
start_room = OutsideRoom()
end_room = HallwayRoom()
start_room.add_exit("north", end_room)
end_room.add_item(Item("feather"))
self.assertIn(start_room.about, start_room.describe())
self.assertTrue(start_room.describe().startswith(start_room.name))
possible_exits = start_room.possible_exits()
new_room = start_room.move(possible_exits[0])
self.assertIsInstance(new_room, Room)
self.assertEqual(new_room.about, end_room.about)
self.assertIn(end_room.about, new_room.describe())
self.assertIn("feather", new_room.describe())
possible_exits = new_room.possible_exits()
self.assertEqual(possible_exits, [])
