these 4 derivations will be built:
  /nix/store/iypgj71f1mqydci55xpq5ihmbkk5xsqz-test-script.drv
  /nix/store/8050ck2n2kn8vlhq5j1b5i448frxgl4z-driverConfiguration.json.drv
  /nix/store/s7qidf851m1ppfxzqqw7z1wj54ihdbd2-nixos-test-driver-iets-flaketest.drv
  /nix/store/k9zj1hrh2q4gfr2qr9b4aa26p76375k9-container-test-run-iets-flaketest.drv