public void SettingMessageIdSetsOnInstance(string mID)
 {
     Chatbase.FBAgentMessage msg = new Chatbase.FBAgentMessage();
     Chatbase.FBAgentMessage ret = msg.SetMessageID(mID);
     Assert.Equal(msg.response_body.message_id, mID);
     // Assert that we are chain-able
     Assert.Equal(ret, msg);
 }