Add test for checking if isRoverOutOfBounds works
Add tests for exceptions for when rover is out of bounds in direct method
Add tests for position class

Tests for move not changing the direction.  Tests for move on x and y.  Remove after, afterclass, and beforeclass.
Add tests to check if setDirection changes direction
ADd method to check if rover is o ut of bounds
make setDirectionLeft and move methods public
Add plateau as parameter when calling direct method
Add plateau as parameter when calling direct method to do error handling when rove ris out of bounds