these 4 derivations will be built:
  /nix/store/lmyzg06nfy3jdc1dv4yq79zf4zlwkapw-test-script.drv
  /nix/store/p7k7qfds7vlzhn6b4a3kb2pm8ns3ayc0-driverConfiguration.json.drv
  /nix/store/39h9wvfghx7q7y4nrsnbmw44zja73pz3-nixos-test-driver-nix-grpc-store-main.drv
  /nix/store/00nvgwmfn2zb8gcaz9k812samx78hynl-vm-test-run-nix-grpc-store-main.drv