these 2 derivations will be built:
  /nix/store/6gmp2jjhavcsk355fbjrgawvv5a2g6ch-nixos-test-driver-timescaledb.drv
  /nix/store/cva9259k8plsqnrndzchr5yg19npgwva-vm-test-run-timescaledb.drv