these 4 derivations will be built:
  /nix/store/0fknv7qmpsf0xnyz3fs1mzcx2mgrjqcq-nixos-vm.drv
  /nix/store/5zdz95lg4d79bw5fv890l6irj6qwv9v0-driverConfiguration.json.drv
  /nix/store/18glfmd6w8d52xi5bcb5kswkbmb5d1b0-nixos-test-driver-horae-e2e.drv
  /nix/store/559ii28f9scq3fmgj88kjg36dg228fn6-vm-test-run-horae-e2e.drv