these 4 derivations will be built:
  /nix/store/v1laip6457x0nnmzfj9a98iaic0idws1-test-script.drv
  /nix/store/dg4b87nvd8cya3rpsbchra9fs60f43kc-driverConfiguration.json.drv
  /nix/store/ghf5lfmwd7yzkcygmwxi2ry098a22cn7-nixos-test-driver-plpgsql_check.drv
  /nix/store/4b5li64ckvv86d1fwq1z7s7hr3b580ap-vm-test-run-plpgsql_check.drv