message: [fix] Fix warning
diff: @@ -13,7 +13,7 @@ mod tests {
  stream::StreamExt,
  };
  use futures_timer::Delay;
  - use network_p2p::{Multiaddr, PeerId};
  + use network_p2p::Multiaddr;
  use std::{thread, time::Duration};
  use tokio::runtime::{Handle, Runtime};
  use types::peer_info::PeerInfo;
  