these 2 derivations will be built:
  /nix/store/36as8dnkcf6caspnhy8w2048ig5gbw44-nixos-test-driver-pgjwt.drv
  /nix/store/7z1fzdwarzwk4z0alg7y0xp7lv9rn9q8-vm-test-run-pgjwt.drv