magento-test/app/code/Magento/Captcha/view/frontend/requirejs-config.js

/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

var config = {
    map: {
        '*': {
            captcha: 'Magento_Captcha/js/captcha',
            'Magento_Captcha/captcha': 'Magento_Captcha/js/captcha'
        }
    }
};