message: Scope client tests to a client module
diff: // limitations under the License.
  mod nats_server;
  +
  +mod client {
  + use super::nats_server;
  use futures_util::StreamExt;
  #[tokio::test]
  @@ -41,3 +44,4 @@ async fn basic_pub_sub() {
  }
  assert_eq!(i, 10);
  }
  +}
  