message: fix unit tests without breaking the build
diff: @@ -339,8 +339,9 @@ export function getCurrentLanguage() {
  function getLangsJson() {
  return new Promise((resolve, reject) => {
  // LANGUAGES_FILE is a webpack compile-time define, see webpack config
  + const url = (typeof LANGUAGES_FILE === "string") ? require(LANGUAGES_FILE) : (i18nFolder + 'languages.json');
  request(
  - { method: "GET", url: require(LANGUAGES_FILE) },
  + { method: "GET", url },
  (err, response, body) => {
  if (err || response.status < 200 || response.status >= 300) {
  reject({err: err, response: response});
  