How to use isValidCypressInternalEnvValue method in Cypress

...89            return path_1.default.join(filename, 'index.js');90        });91    },92};93function isValidCypressInternalEnvValue(value) {94    // names of config environments, see "config/app.yml"95    const names = ['development', 'test', 'staging', 'production'];96    return lodash_1.default.includes(names, value);97}98exports.isValidCypressInternalEnvValue = isValidCypressInternalEnvValue;99function get(projectRoot, options = {}) {100    return bluebird_1.default.all([101        settings.read(projectRoot, options).then(validateFile('cypress.json')),102        settings.readEnv(projectRoot).then(validateFile('cypress.env.json')),103    ])104        .spread((settings, envFile) => {105        return set({106            projectName: getNameFromRoot(projectRoot),107            projectRoot,108            config: lodash_1.default.cloneDeep(settings),109            envFile: lodash_1.default.cloneDeep(envFile),110            options,111        });112    });113}114exports.get = get;115function set(obj = {}) {116    debug('setting config object');117    let { projectRoot, projectName, config, envFile, options } = obj;118    // just force config to be an object so we dont have to do as much119    // work in our tests120    if (config == null) {121        config = {};122    }123    debug('config is %o', config);124    // flatten the object's properties into the master config object125    config.envFile = envFile;126    config.projectRoot = projectRoot;127    config.projectName = projectName;128    return mergeDefaults(config, options);129}130exports.set = set;131function mergeDefaults(config = {}, options = {}) {132    var _a, _b;133    const resolved = {};134    config.rawJson = lodash_1.default.cloneDeep(config);135    lodash_1.default.extend(config, lodash_1.default.pick(options, 'configFile', 'morgan', 'isTextTerminal', 'socketId', 'report', 'browsers'));136    debug('merged config with options, got %o', config);137    lodash_1.default138        .chain(config_1.default.allowed(options))139        .omit('env')140        .omit('browsers')141        .each((val, key) => {142        resolved[key] = 'cli';143        config[key] = val;144    }).value();145    let url = config.baseUrl;146    if (url) {147        // replace multiple slashes at the end of string to single slash148        // so http://localhost/// will be http://localhost/149        // https://regexr.com/48rvt150        config.baseUrl = url.replace(/\/\/+$/, '/');151    }152    const defaultsForRuntime = config_1.default.getDefaultValues(options);153    lodash_1.default.defaultsDeep(config, defaultsForRuntime);154    // split out our own app wide env from user env variables155    // and delete envFile156    config.env = parseEnv(config, options.env, resolved);157    config.cypressEnv = process.env.CYPRESS_INTERNAL_ENV;158    debug('using CYPRESS_INTERNAL_ENV %s', config.cypressEnv);159    if (!isValidCypressInternalEnvValue(config.cypressEnv)) {160        errors_1.default.throw('INVALID_CYPRESS_INTERNAL_ENV', config.cypressEnv);161    }162    delete config.envFile;163    // when headless164    if (config.isTextTerminal && !process.env.CYPRESS_INTERNAL_FORCE_FILEWATCH) {165        // dont ever watch for file changes166        config.watchForFileChanges = false;167        // and forcibly reset numTestsKeptInMemory168        // to zero169        config.numTestsKeptInMemory = 0;170    }171    config = setResolvedConfigValues(config, defaultsForRuntime, resolved);172    if (config.port) {173        config = setUrls(config);...

...97 * Confirms if given value is a valid CYPRESS_INTERNAL_ENV value. Undefined values98 * are valid, because the system can set the default one.99 *100 * @param {string} value101 * @example util.isValidCypressInternalEnvValue(process.env.CYPRESS_INTERNAL_ENV)102 */103function isValidCypressInternalEnvValue(value) {104  if (_.isUndefined(value)) {105    // will get default value106    return true;107  }108  // names of config environments, see "packages/server/config/app.yml"109  var names = ['development', 'test', 'staging', 'production'];110  return _.includes(names, value);111}112/**113 * Confirms if given value is a non-production CYPRESS_INTERNAL_ENV value.114 * Undefined values are valid, because the system can set the default one.115 *116 * @param {string} value117 * @example util.isNonProductionCypressInternalEnvValue(process.env.CYPRESS_INTERNAL_ENV)...