public void When_Rover_Is_Created_At_North()
        {
            int  xCoordinate = 0;
            int  yCoordinate = 0;
            char oriantation = 'N';

            var rover = new Rover(xCoordinate, yCoordinate, oriantation, _plateaue);

            Assert.IsType(rover.NorthState.GetType(), rover.DetermineCurrentState(oriantation));
        }