message: Add test for unkown ca
diff: @@ -33,6 +33,18 @@ mod client {
  .unwrap();
  }
  + #[tokio::test]
  + async fn unknown_server_ca() {
  + let server = nats_server::run_server("tests/configs/tls.conf");
  + assert!(async_nats::connect(&server.client_url()).await.is_err());
  +
  + async_nats::ConnectOptions::with_user_and_password("derek".into(), "porkchop".into())
  + .require_tls(true)
  + .connect(server.client_url())
  + .await
  + .unwrap_err();
  + }
  +
  #[tokio::test]
  async fn basic_tls_all_certs_one_file() {
  let s = nats_server::run_server("tests/configs/tls.conf");
  