these 4 derivations will be built:
  /nix/store/77bwr7ngcp9h6xb2sdlmpp2j9vhmvfm7-test-script.drv
  /nix/store/xdz6cz8mjh2jgghz5zcmakpzy5krzbjr-driverConfiguration.json.drv
  /nix/store/jr9n70hij50dcx353xk41139349axd63-nixos-test-driver-iets-plumbing-e2e.drv
  /nix/store/1kbxr3ws7nh0y7h4lmw66skacal5xg58-container-test-run-iets-plumbing-e2e.drv