Create a comprehensive test plan for this project. Define the testing scope, objectives, and key functional and non-functional requirements to be validated. Outline different test categories (e.g., Electrical Testing, Thermal Testing, Mechanical Testing, Environmental Testing, Communication & Interface Testing) and specify test cases, expected outcomes, and pass/fail criteria. If applicable, include test environment setup, automation strategies, edge cases, and potential risks. Provide recommendations for improving test coverage and ensuring reliability.