public void TestMoveAtDirection_Up()
        {
            Position expectedPosition = new Position(3, 2);
            Position actualPosition = new Position(4, 3);
            actualPosition.MoveAtDirection(Direction.Up);

            Assert.AreEqual(expectedPosition.Row, actualPosition.Row);
        }
        public void TestMoveAtDirection_Right()
        {
            Position expectedPosition = new Position(3, 4);
            Position actualPosition = new Position(3, 3);
            actualPosition.MoveAtDirection(Direction.Right);

            Assert.AreEqual(expectedPosition.Row, actualPosition.Row);
        }