fix(transport): connect w/ connector infailable (#922)

tests/integration_tests/tests/status.rs

@@ -185,8 +185,7 @@ async fn status_from_server_stream_with_source() {
         .unwrap()
         .connect_with_connector_lazy(tower::service_fn(move |_: Uri| async move {
             Err::<MockStream, _>(std::io::Error::new(std::io::ErrorKind::Other, "WTF"))
-        }))
-        .unwrap();
+        }));
 
     let mut client = test_stream_client::TestStreamClient::new(channel);
 

tonic/src/transport/channel/endpoint.rs

@@ -346,7 +346,7 @@ impl Endpoint {
     ///
     /// See the `uds` example for an example on how to use this function to build channel that
     /// uses a Unix socket transport.
-    pub fn connect_with_connector_lazy<C>(&self, connector: C) -> Result<Channel, Error>
+    pub fn connect_with_connector_lazy<C>(&self, connector: C) -> Channel
     where
         C: MakeConnection<Uri> + Send + 'static,
         C::Connection: Unpin + Send + 'static,
@@ -359,7 +359,7 @@ impl Endpoint {
         #[cfg(not(feature = "tls"))]
         let connector = service::connector(connector);
 
-        Ok(Channel::new(connector, self.clone()))
+        Channel::new(connector, self.clone())
     }
 
     /// Get the endpoint uri.