Set the consumer group last delivered ID to something else.
        name: name of the stream.
        groupname: name of the consumer group.
        id: ID of the last item in the stream to consider already delivered.

def xgroup_setid(self, name, groupname, id):
        """
        Set the consumer group last delivered ID to something else.
        name: name of the stream.
        groupname: name of the consumer group.
        id: ID of the last item in the stream to consider already delivered.
        """
        return self.execute_command('XGROUP SETID', name, groupname, id)