public void When_Rover_At_3_2_North_And_Move_Should_Be_3_3() { var direction = new North(); var newCoordinates = direction.MoveForward(new Coordinates(3, 2)); Assert.That(newCoordinates.XCoordinate, Is.EqualTo(3)); Assert.That(newCoordinates.YCoordinate, Is.EqualTo(3)); }