these 4 derivations will be built:
  /nix/store/wqyh0kr4ry8ry46ww621y99n1ksi97bd-test-script.drv
  /nix/store/az7rms0jkwyma31jxi9497msiqzd4qrr-driverConfiguration.json.drv
  /nix/store/wd0519cfwy8a3qlm3bihlbrg0rp628ga-nixos-test-driver-iets-flaketest.drv
  /nix/store/cpkw6zlkqx2kab75pn8w7cka4pq6yzyc-container-test-run-iets-flaketest.drv