New comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/30109#issuecomment-816815509

Comment:
I would use `XBPS_CHECK_PKGS=full` to enable even more tests, they have a flag for those:

```
Skipped test-verify-repo-operations.py: missing feature: allow slow tests (use --allow-slow-tests)
```