addUsersToGroup can no longer return the message id

Updated documentation and tests

fbchat/client.py

@@ -1038,7 +1038,6 @@ class Client(object):
         :param user_ids: One or more user IDs to add
         :param thread_id: Group ID to add people to. See :ref:`intro_threads`
         :type user_ids: list
-        :return: :ref:`Message ID <intro_message_ids>` of the executed action
         :raises: FBchatException if request failed
         """
         thread_id, thread_type = self._getThread(thread_id, None)

tests/test_thread_interraction.py

@@ -25,13 +25,9 @@ def test_remove_from_and_add_to_group(client1, client2, group, catch_event):
         )
     finally:
         with catch_event("onPeopleAdded") as x:
-            mid = client1.addUsersToGroup(client2.uid, group["id"])
+            client1.addUsersToGroup(client2.uid, group["id"])
         assert subset(
-            x.res,
-            mid=mid,
-            added_ids=[client2.uid],
-            author_id=client1.uid,
-            thread_id=group["id"],
+            x.res, added_ids=[client2.uid], author_id=client1.uid, thread_id=group["id"]
         )