these 4 derivations will be built:
  /nix/store/kqpdg5rprk33v40n4j3brbyywq821k8r-test-script.drv
  /nix/store/hszc9fzchrl68syjyzykcza0fllcl4q6-driverConfiguration.json.drv
  /nix/store/qilbgf7szjif0a4smjjd9vxay3mj0gyq-nixos-test-driver-nix-grpc-store-acme-substituter.drv
  /nix/store/gqkdzf6f69n8zf5k6bbqdz9pk32j7dlc-vm-test-run-nix-grpc-store-acme-substituter.drv