these 2 derivations will be built:
  /nix/store/dpbk4c6ylhy4dzfwp4iz9mg9hxjbychz-nixos-test-driver-pgaudit.drv
  /nix/store/5lpg883q3arswjl6dv5laz7iapks34sr-vm-test-run-pgaudit.drv