Test d2i_PrivateKey_bio() does not add errors to stack when decoding a X25519 key sucessfully.
Test d2i_PrivateKey_bio() does not add errors to stack when decoding a X25519 key sucessfully.

This confirms that another merge has addressed this issue.

Fixes #14996

Reviewed-by: Paul Dale <ddec78389666b4f7c9b4d110380c848489a3e4aa@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15303)

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl