message: tests(client): fix client test warnings
diff: @@ -14,10 +14,9 @@ use hyper::client::{Client, Request, HttpConnector};
  use hyper::{Method, StatusCode};
  use futures::{Future, Stream};
  -use futures::future::Either;
  use futures::sync::oneshot;
  -use tokio_core::reactor::{Core, Handle, Timeout};
  +use tokio_core::reactor::{Core, Handle};
  fn client(handle: &Handle) -> Client<HttpConnector> {
  Client::new(handle)
  