* automated/package-x-test.el: New file.
* automated/package-test.el: New file.
* automated/data/package: New directory, with test examples.
* lisp/emacs-lisp/package-x.el (package-upload-buffer-internal): Adapt
to `package-desc-version' being a list. Use
`package--ac-desc-version' to retrieve version from a package
archive element.
