these 2 derivations will be built:
  /nix/store/z7h4bkns6ds2fffq3yxln903f8ambkg6-nixos-test-driver-timescaledb.drv
  /nix/store/jp654x9lw8p242mw8mjfhcrnplrj7hxz-vm-test-run-timescaledb.drv