these 4 derivations will be built:
  /nix/store/r23nnhmhm2mxkr3z2zna9yas1mxz6a74-test-script.drv
  /nix/store/rihj3g44jmqac7jy441iqgizbwrs9xgg-driverConfiguration.json.drv
  /nix/store/2x0fkykp5zdy6nr1q9qvgwpszdadm5jm-nixos-test-driver-iets-plumbing-e2e.drv
  /nix/store/8zgarglxd8hx6iw5xr6qv6vkhk38wfcl-container-test-run-iets-plumbing-e2e.drv