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));
}