test: adding environment and knowledge tests

[ai16z-demirix]

Relates to:

Not tied to particular issue. Contributing with more tests, environment.ts and knowledge.ts

Risks

Low, adding tests.

Background

What does this PR do?

This pr adds tests for environment.ts and knowledge.ts

What kind of change is this?

Adding tests.

Documentation changes needed?

None

Testing

Where should a reviewer start?

packages/core/

Detailed testing steps

Navigate to packages/core and run pnpm install & pnpm test

[monilpat]

Thanks so much for adding in tests we really appreciate it :)