Add timer tests script.
Add timer tests script.

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