these 2 derivations will be built:
  /nix/store/p3n8akh7hfcas6yyxz1q3idzyaf9hf0i-nixos-test-driver-timescaledb.drv
  /nix/store/nadgnfzdrmf2r4f7gcyrfxnx6cqfjgbr-vm-test-run-timescaledb.drv