these 2 derivations will be built:
  /nix/store/5i5vpchp410j1jb1w8b680fqgs6lbskc-nixos-test-driver-timescaledb.drv
  /nix/store/634zsxz65x7srb5a3bz3skdmadpgwzgb-vm-test-run-timescaledb.drv