these 2 derivations will be built:
  /nix/store/v4sg7n0d6iz9a3jcf148vkvkrc8skdx8-nixos-test-driver-timescaledb.drv
  /nix/store/8yj77c4avdd3mff544ffnlhvdk04djyh-vm-test-run-timescaledb.drv