feat(tests): Adding tests for actions and generation. Skiping test step in defaultCharacters

[ai16z-demirix]

Relates to:

https://github.com/ai16z/eliza/issues/188

Risks

Low - adding tests

Background

What does this PR do?

This PR adds tests for actions and generation.ts

What kind of change is this?

Feature: Adding tests

Documentation changes needed?

None

Testing

Where should a reviewer start?

Navigate to packages/core

Detailed testing steps

Navigate to packages/core run pnpm install run pnpm test

[snobbee]

@ai16z-demirix please fix the failing CI checks, thanks

[ai16z-demirix]

@snobbee Thanks for pointing out, fixed.