function setupEmptyFakeImportsFor(namespaces, locales) {
  namespaces.forEach(namespace => {
    locales.forEach(locale => {
      setupFakeImport(`./${namespace}/${locale}.js`, {
        default: { foo: `bar-${locale}` },
      });
    });
  });
}
@param {string[]} namespaces
@param {string[]} locales