Add code coverage criteria to certification tests

[rabollin]

Describe the issue

To maintain the stable components are highly stable and robust by having a detailed certification test, introducing the code coverage measure for certifications tests might help. So, recommend to add a measure of Certification Tests should cover 60% of the code.

[rabollin]

/assign

[hhunter-ms]

@rabollin friendly bump

[hhunter-ms]

closing for now - reopen if necessary