these 2 derivations will be built:
  /nix/store/9znhrsf7m2sj780ysia6v16z1vw66gn9-nixos-test-driver-pgaudit.drv
  /nix/store/lhg9pdlfdb9d7imyrba1kv808n2lv2yn-vm-test-run-pgaudit.drv