New comment by tavianator on void-packages repository

https://github.com/void-linux/void-packages/pull/29437#issuecomment-805014448

Comment:
https://github.com/tavianator/bfs/commit/d36ece2ca7498b7ba5485d5010439b57f006c9c8 fixes the tests for me in a `systemd-nspawn -U` container, which I think is similar to the `xbps-uunshare` environment.