these 2 derivations will be built:
  /nix/store/5nv6gy03h4zspqzhvmxsfdjj0flr1936-nixos-test-driver-pgaudit.drv
  /nix/store/avxxilx1l1v69cqizy8f6kfkxgi63ls6-vm-test-run-pgaudit.drv