these 4 derivations will be built:
  /nix/store/4iz8qkch9wk2ma1p6rqygj8l5a2k3b6i-test-script.drv
  /nix/store/3my2g8ab2jzdi1nmzj7z7vwiq3igfm1k-driverConfiguration.json.drv
  /nix/store/13nf8pprlcmb6dhblpjan1z77s4a1m5h-nixos-test-driver-horae-e2e.drv
  /nix/store/rxq5k9x7vh339zz1hny44l9yx47wi5zk-vm-test-run-horae-e2e.drv