remove autoxrypt and self avatar check in test_sending_pre_message

because it is already in
`test_pre_message_contains_selfavatar_and_gossip_and_full_message_does_not`

Author: Simon-Laux

src/download.rs

@@ -514,11 +514,8 @@ mod tests {
             "message ids of pre message and full message should be different"
         );
 
-        // also test that Autocrypt-gossip and selfavatar should never go into full-messages
         let decrypted_full_message = MimeMessage::from_bytes(&bob.ctx, full_message_bytes).await?;
         assert!(!decrypted_full_message.decrypting_failed);
-        assert_eq!(decrypted_full_message.gossiped_keys.len(), 0);
-        assert_eq!(decrypted_full_message.user_avatar, None);
         assert!(!decrypted_full_message.header_exists(HeaderDef::ChatFullMessageId));
 
         let decrypted_pre_message = MimeMessage::from_bytes(&bob.ctx, pre_message_bytes).await?;