CLI test integration

[Abellegese]

Thank you for taking your time to contribute to Ersilia, just a few checks before we proceed

• [x] Have you followed the guidelines in our Contribution Guide
• [x] Have you written new tests for your core changes, as applicable?
• [x] Have you successfully ran tests with your changes locally?

Description

A custom rule based CLI test implementation has been done.

[DhanshreeA]

@Abellegese this is the test suite that takes upto 15 minutes right?

[Abellegese]

Hi @DhanshreeA takes 9-10min now. A slighttttttt improvement.