Moved failed to find document into lib tests.

src/lib.rs

@@ -116,14 +116,27 @@ impl MoreThanText {
             ),
             Path::new(
                 Include::Just(msg_id.clone()),
-                Include::Just(doc_id.clone()),
+                Include::All,
                 Include::Just(Action::Error),
             ),
         ];
         for path in paths.iter() {
             let reg_msg = Register::new(sender_id.clone(), RegMsg::AddRoute(path.clone()));
             self.queue.send(Message::new(reg_msg));
-            rx.recv().unwrap(); // Wait for completion.
+            let result = rx.recv().unwrap();
+            let action = result.get_action();
+            match action {
+                MsgAction::Register(status) => match status.get_msg() {
+                    RegMsg::Error(err) => {
+                        let mut error = err.clone();
+                        error.add_parent(ErrorID::Document(msg.doc_name().clone()));
+                        self.queue.remove_sender(&sender_id);
+                        return Err(error);
+                    }
+                    _ => {}
+                }
+                _ => unreachable!("got {:?} should have been a registry message", action),
+            }
         }
         self.queue.send(msg);
         let output = match rx.recv_timeout(TIMEOUT) {