these 2 derivations will be built:
  /nix/store/cg90gais5w9dcq5rrmc0qzxzw5gzfn6k-nixos-test-driver-timescaledb.drv
  /nix/store/k1al8d5lf2r4dm0hp7kfs3162a0w7x51-vm-test-run-timescaledb.drv