these 4 derivations will be built:
  /nix/store/w2b1dkf51rxc23l9fcvbpc37vp2waq2i-test-script.drv
  /nix/store/r10bzjyr34ck3nrdc2vy0y3lv9p63dhy-driverConfiguration.json.drv
  /nix/store/5yrxh7h63kdjkay6wmhxh7dnx65vy73v-nixos-test-driver-iets-flaketest.drv
  /nix/store/r6x47h198q7fadv4f4a9fba92hwmn19c-container-test-run-iets-flaketest.drv