these 2 derivations will be built:
  /nix/store/g63c9ryj3g2ssr1z0baqzsa87wkis7vw-nixos-test-driver-pgsodium.drv
  /nix/store/hljcih5mkc7dd7bvlzp7c0pmgj598hr9-vm-test-run-pgsodium.drv