these 4 derivations will be built:
  /nix/store/r9pypvbd5770zpia8adr926753jb0v07-test-script.drv
  /nix/store/m25dpamlvgdny75sq38lzixfzym6z10f-driverConfiguration.json.drv
  /nix/store/d0ihd6yz28lvgpvba8i8y6jq8wh1a05n-nixos-test-driver-iets-flaketest.drv
  /nix/store/9j4g7jsn9a7q269k7hp6v2nx7n1bwh93-container-test-run-iets-flaketest.drv