these 2 derivations will be built:
  /nix/store/x6y7q321qd799xc2g140nmb1b9p1ri7g-nixos-test-driver-pgaudit.drv
  /nix/store/izsgwh1fry7n69kmsbh5bnrin3pa7n0h-vm-test-run-pgaudit.drv