these 2 derivations will be built:
  /nix/store/cvb66cbv4ksk3py1k7jjgn3zrwbbdc5x-nixos-test-driver-pgmq.drv
  /nix/store/gh31jrwwdhhbj95wpdyyx59ygzinzysq-vm-test-run-pgmq.drv