Fix flaky test.

client/src/handlers/room_list_request_handler.rs

@@ -50,6 +50,11 @@ mod tests {
 
   use super::RoomListRequestHandler;
 
+  // Cannot get the compiler to be satisfied when borrowing the name...
+  fn room_name(pair: &(String, Room)) -> String {
+    pair.0.clone()
+  }
+
   #[test]
   fn run_forwards_request() {
     let mut bundle = ContextBundle::default();
@@ -81,14 +86,21 @@ mod tests {
 
     let response = bundle.control_response_rx.blocking_recv().unwrap();
 
-    assert_eq!(
-      response,
+    let mut rooms = match response {
       control::Response::RoomListResponse(control::RoomListResponse {
-        rooms: vec![
-          ("apple".to_string(), Room::new(Visibility::Public, 42)),
-          ("potato".to_string(), Room::new(Visibility::Public, 123)),
-        ]
-      })
+        rooms,
+      }) => rooms,
+      _ => panic!("Unexpected control response: {:?}", response),
+    };
+
+    rooms.sort_by_key(room_name);
+
+    assert_eq!(
+      rooms,
+      vec![
+        ("apple".to_string(), Room::new(Visibility::Public, 42)),
+        ("potato".to_string(), Room::new(Visibility::Public, 123)),
+      ]
     );
   }
 }