def METHOD_NAME(self):
    stubber = Stubber(self.table.meta.client)
    stubber.add_response('tag_resource', {})
    arn = 'arn:aws:dynamodb:us-west-2:123456789:table/mytable'
    with stubber:
        self.table.meta.client.tag_resource(
            ResourceArn=arn, Tags=[{'Key': 'project', 'Value': 'val'}]
        )
    stubber.assert_no_pending_responses()