Add test cases for AES key wrapping and only detect output length in
cipher case. The reason being is the returned output length is
insufficient in AES key unwrapping case.
PR-URL: https://github.com/nodejs/node/pull/20587
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
