these 4 derivations will be built:
  /nix/store/xnl8z17fihv8ghwgy5sih1ncnzwv1ci9-test-script.drv
  /nix/store/7y1mp1g40rqlr7aq7k6ir2scp07hcy2g-driverConfiguration.json.drv
  /nix/store/pcgh0p69m2qwsriyrs6ik1c1qs22y7zh-nixos-test-driver-iets-flaketest.drv
  /nix/store/8qpw4jmnjciz2y5j0c08fahg8cskmrfz-container-test-run-iets-flaketest.drv