First commit
First test for visualizing the robot heading north
Added test to visualize direction of the robot
Fixed a bug in a test.
Added test for displaying a robot heading south
Added test for visualizing a robot heading west
Changed design - will break it down further
Added test for turning left
Added test for turning right
Refactoring - removing duplication
Added test for u turn
Added test for driving forward
Added test for driving backward
Added function to display game state
Added test to interpret driving forward
Added test for interpreting DB command
Added test for interpreting TL command
Added test for interpreting Turn Right
Refactoring the tests. Removing duplication and simplifying
Added test for gameplay
Added  test for U turn
Changed old DF test to DF 1 test