these 2 derivations will be built:
  /nix/store/m47rb0cnkb95rlm901a5gwxzy7xqgd5d-nixos-test-driver-pgjwt.drv
  /nix/store/7g90zh8brhndfbfh91svw6z6yqsc53h8-vm-test-run-pgjwt.drv