these 2 derivations will be built:
  /nix/store/fi0b92831r3d0hfqn7143zqpj51wn4ga-nixos-test-driver-pgjwt.drv
  /nix/store/qgah5rybw903r6qdrm09py2509gh2nb0-vm-test-run-pgjwt.drv