GH-800: remove lookup_ip() mock fns from a test

node/src/proxy_client/stream_handler_pool.rs

@@ -846,8 +846,6 @@ mod tests {
     #[test]
     fn when_hostname_is_ip_establish_stream_without_dns_lookup() {
         let cryptde = main_cryptde();
-        let lookup_ip_parameters = Arc::new(Mutex::new(vec![]));
-        let expected_lookup_ip_parameters = lookup_ip_parameters.clone();
         let write_parameters = Arc::new(Mutex::new(vec![]));
         let expected_write_parameters = write_parameters.clone();
         let (proxy_client, proxy_client_awaiter, proxy_client_recording_arc) = make_recorder();
@@ -872,13 +870,6 @@ mod tests {
                 client_request_payload.into(),
                 0,
             );
-            // TODO: GH-800: Apparently, we can remove both lookup_ip mock functions
-            let resolver = ResolverWrapperMock::new()
-                .lookup_ip_parameters(&lookup_ip_parameters)
-                .lookup_ip_success(vec![
-                    IpAddr::from_str("2.3.4.5").unwrap(),
-                    IpAddr::from_str("3.4.5.6").unwrap(),
-                ]);
             let peer_addr = SocketAddr::from_str("3.4.5.6:80").unwrap();
             let first_read_result = b"HTTP/1.1 200 OK\r\n\r\n";
             let reader = ReadHalfWrapperMock {
@@ -896,7 +887,7 @@ mod tests {
                 shutdown_results: Arc::new(Mutex::new(vec![])),
             };
             let mut subject = StreamHandlerPoolReal::new(
-                Box::new(resolver),
+                Box::new(ResolverWrapperMock::new()),
                 cryptde,
                 peer_actors.accountant.report_exit_service_provided.clone(),
                 peer_actors.proxy_client_opt.unwrap().clone(),
@@ -933,10 +924,6 @@ mod tests {
         });
 
         proxy_client_awaiter.await_message_count(1);
-        assert_eq!(
-            expected_lookup_ip_parameters.lock().unwrap().deref(),
-            &(vec![] as Vec<String>)
-        );
         assert_eq!(
             expected_write_parameters.lock().unwrap().remove(0),
             b"These are the times".to_vec()