def test_findnext3(self):
     list1 = Piece.CircularLinkedList(Piece.FRONT, Piece.RIGHT, Piece.BACK,
                                      Piece.LEFT)
     self.assertEqual(Piece.FRONT, list1.findNext(Piece.LEFT))
 def test_findnext2(self):
     list1 = Piece.CircularLinkedList(Piece.UP, Piece.FRONT, Piece.DOWN,
                                      Piece.BACK)
     self.assertEqual(Piece.UP, list1.findNext(Piece.BACK))