Add drawing unit test.
Add drawing unit test.

openmv/openmv,kwagyeman/openmv,iabdalkader/openmv,kwagyeman/openmv,kwagyeman/openmv,openmv/openmv,iabdalkader/openmv,kwagyeman/openmv,iabdalkader/openmv,openmv/openmv,openmv/openmv,iabdalkader/openmv