Check test correctness of untar by comparing destination with source. For part 2, it checkes hashes of source and destination files or the target files of symbolic links. This is a supplement to the #11601 fix. Signed-off-by: Yestin Sun <sunyi0804@gmail.com> Upstream-commit: 67df8e4257c165bc6abe77bb8f4ab55c10b2fbff Component: engine