def test_break_wall(self):
maze = Maze(width=2, height=1)
self.assertSetEqual(maze.paths(0, 0), set())
self.assertSetEqual(maze.paths(1, 0), set())
maze.break_wall(0, 0, Compass.EAST)
self.assertSetEqual(maze.paths(0, 0), {Compass.EAST})
print(maze.paths(1, 0))
self.assertSetEqual(maze.paths(1, 0), {Compass.WEST})
