these 2 derivations will be built:
  /nix/store/83x60sg48rrw8h547q3cpijriw6xwwvk-nixos-test-driver-pgjwt.drv
  /nix/store/lgj6ijf8g8riqwwv9cfy64x42qikks72-vm-test-run-pgjwt.drv