these 3 derivations will be built:
  /nix/store/1ky1ah0nf5v4c7vf4ylmy58a8s3s7s4w-driverConfiguration.json.drv
  /nix/store/47mzg5hpnq4kfikmz5l91k9dycr2fpvx-nixos-test-driver-nix-grpc-farm-k3s.drv
  /nix/store/vmdwy6k9gx666ahhgpp43zdnxjqpgiw8-vm-test-run-nix-grpc-farm-k3s.drv