@Test
    public void testMove_nextOnStar() {
        System.out.println("move, next on star and win");
        board = new Board(new Square[][]{
            {new Square(GRASS), new Square(GRASS), new Square(STAR), new Square(GRASS)},
            {null, new Square(GRASS), new Square(GRASS), null},
            {null, null, new Square(STAR), null}
        });
        animals = new Animal[] {
            new Spider(new Position(0, 0)),
            new Snail(new Position(0, 3))
        };
        Spider instance = (Spider) animals[0];
        Position expResult = new Position(0, 2);
        Position result = instance.move(board, Direction.EAST, animals);
        assertEquals(expResult, result);
        assertTrue(animals[0].isOnStar());
        assertEquals(GRASS, board.getSquareType(result));