these 2 derivations will be built:
  /nix/store/89pjp4y0mrmy507djxha7z6rdi7ffivg-nixos-test-driver-timescaledb.drv
  /nix/store/k2qb5sbd2gmgk1phsk00hzpbpwk3y0h2-vm-test-run-timescaledb.drv