these 4 derivations will be built:
  /nix/store/ayy3ad65ar2i2jjfq9skj5sc44rqkl1h-test-script.drv
  /nix/store/f2wkyqkrv6kark3hz3c3ywg780j0flav-driverConfiguration.json.drv
  /nix/store/137y0kbj3nrzgkx9mr58v3km0rqbxi81-nixos-test-driver-iets-flaketest.drv
  /nix/store/v5zyk7yi41nhix713j3gk868cg6rmvbh-container-test-run-iets-flaketest.drv