these 2 derivations will be built:
  /nix/store/snvnhmgrn54ldrg9d6bm63n6yvwrdw13-nixos-test-driver-plv8.drv
  /nix/store/nyfqdh3y8aan2s88l6idynyy0clydz1b-vm-test-run-plv8.drv