public static void IsGetUsersOfChatWorks()
        {
            Chat        chat  = chatPrv.GetChatById(1);
            List <User> users = chatPrv.GetUsersOfChat(chat);

            Assert.That(users.Count == 3);
        }
        /// <summary>
        /// Get all users from this chat
        /// </summary>
        /// <param name="id"></param>
        /// <returns>List of users</returns>
        public IList <UserInfoDTO> GetAllUsersFromChat(int id)
        {
            Logger.log.Debug("at WCFService.ChatService.GetAllUsersFromChat");
            var chat  = ChatProvider.GetChatById(id);
            var users = ChatProvider.GetUsersOfChat(chat);

            return(_userConverter.ToDataTransferEntityList(users.ToList()));
        }