public void Get_Turn_Left_For_L()
        {
            IRoverCommand command = CommandHelper.RoverCommandFactory("L");

            Assert.AreSame(typeof(TurnLeft), command.GetType());
        }
        public void Get_Turn_Right_For_R()
        {
            IRoverCommand command = CommandHelper.RoverCommandFactory("R");

            Assert.AreSame(typeof(TurnRight), command.GetType());
        }
        public void Get_Move_Forward_For_M()
        {
            IRoverCommand command = CommandHelper.RoverCommandFactory("M");

            Assert.AreSame(typeof(MoveForward), command.GetType());
        }