New comment by tornaria on void-packages repository

https://github.com/void-linux/void-packages/pull/33250#issuecomment-932804234

Comment:
> In that case, either add `make_check=ci-skip` or patch out the failing tests if there is only a few of them.

All the tests pass when I run in my box. Two of the tests fail when run on ci (the tests or tcp6 and udp6). Should I *conditionally* disable these two only when run in CI? How can I know when I'm running on CI?