these 2 derivations will be built:
  /nix/store/csr4j8m5hbjylml8m4arn3zr6aygbj3g-nixos-test-driver-pgjwt.drv
  /nix/store/kbjfwca7isjygi8s6is33wwf5b5166wm-vm-test-run-pgjwt.drv