these 2 derivations will be built:
  /nix/store/y3gmq9dqwy23cvjydrfw2bkz4vpygwya-nixos-test-driver-pgsodium.drv
  /nix/store/zgpx65a4jhi06aryvaqhl3nfl1h6mw4k-vm-test-run-pgsodium.drv