fixed test bugs

Classes/aStar.py

Classes/bfs.py

Classes/button.py

Classes/config.py

Classes/dfs.py

Classes/dijkstra.py

Classes/enemy.py

Classes/expectimax.py

Classes/game.py

Classes/main.py

Classes/maze.py

Classes/minmax.py

Classes/player.py

Classes/playerController.py

Classes/testAStar.py

Classes/testBFS.py

Classes/testButton.py

Classes/testDFS.py

Classes/testDijkstra.py

Classes/testEnemy.py