these 2 derivations will be built:
  /nix/store/ag6mmjqjprsf0rcz40k4pkbwss5mj1b2-nixos-test-driver-hypopg.drv
  /nix/store/bmaqynqjpa50wv8vdkqfn7zlcn4gs71s-vm-test-run-hypopg.drv