Write testing plans

[TechGal]

Description

NOTE: if you import anything new add it to the list in `requirements.txt`

Choose a sensor indicator and have a diagram for start up sequence that will trigger the indicator

Acceptance Criteria

• Low Power Test
• Battery Drain Test
• Avionics / Recovery Integration Test
• Other tests in the folder

Dev Notes

[for assignee]

Linked issues

[macsyd]

@TechGal status update? -Kris