these 2 derivations will be built:
  /nix/store/jpwrr28jrwh0bni97rw4izzgl7c763kb-nixos-test-driver-hypopg.drv
  /nix/store/i1al00y3z6bvy4gvaxfsqns15wvli3bd-vm-test-run-hypopg.drv