these 4 derivations will be built:
  /nix/store/xycmcqwcagkl8sqnx53nv69l29vc5x95-test-script.drv
  /nix/store/c2dyk5882jaq84x0giaiw461ja19ywal-driverConfiguration.json.drv
  /nix/store/xwd9fkxqv7rmdgjiljnz5fy2i98zwg89-nixos-test-driver-plpgsql_check.drv
  /nix/store/jrhvj6gn1l6gin7s1v6gd51zksi1xc96-vm-test-run-plpgsql_check.drv