these 2 derivations will be built:
  /nix/store/8z3dbqz03rg4cls0ikkwgxjv8z81dqcp-nixos-test-driver-timescaledb.drv
  /nix/store/0ndjv7v1gy0ly10vnsl2wzsv72fx022g-vm-test-run-timescaledb.drv