these 2 derivations will be built:
  /nix/store/m09g2c31phj5k1yrm2086r59ra8zq5qz-nixos-test-driver-timescaledb.drv
  /nix/store/vgsg6bb34qblzilh8rj7mjaykgvjxp4b-vm-test-run-timescaledb.drv