these 2 derivations will be built:
  /nix/store/5jnnwyc7pr0m9spgsb7fcj4ax6yhqmj1-nixos-test-driver-pgaudit.drv
  /nix/store/wllyryfs9pydm0490kxsx4qlcq4zz0yq-vm-test-run-pgaudit.drv