Describe the bug

Tests in CI are failing for PRs created from forked repos.

Steps to reproduce

Fork the repo, create a new branch, make some changes and create a pull request. The tests will fail. An example is this:

https://github.com/ag2ai/ag2/actions/runs/12672644619/job/35317136033

Model Used

No response

Expected Behavior

No response

Screenshots and logs

No response

Additional Information

No response