these 2 derivations will be built:
  /nix/store/1cjd9g60k20j7qr057gkm7xzd3c0drpy-nixos-test-driver-pgsodium.drv
  /nix/store/5vnvl49ywyzgmyqdq53qmfwsc5jfrs0q-vm-test-run-pgsodium.drv