these 4 derivations will be built:
  /nix/store/11094c0ifzyvh6zjzgd8spcy3zmmmqzr-test-script.drv
  /nix/store/ngay2s27lm1m6a3wrfhz62pqx9g6yny1-driverConfiguration.json.drv
  /nix/store/kpz1sj76zc0a1apckpyysdfib4b5c6r0-nixos-test-driver-pg_jsonschema.drv
  /nix/store/igr742mqvzk8df8m8mcz2jzcz6mxf4sr-vm-test-run-pg_jsonschema.drv