these 2 derivations will be built:
  /nix/store/jwwxwd4cbbyxdyx0bnkdq2qdkr39xqg0-nixos-test-driver-hypopg.drv
  /nix/store/7dbihzbc29xlxm68x3mi5g2y5g9mhcja-vm-test-run-hypopg.drv