setUp() {
    // Always switch back to English on startup.
    stubs.set(goog.i18n, 'NumberFormatSymbols', NumberFormatSymbols_en);
    stubs.set(
        goog.i18n, 'NumberFormatSymbols_u_nu_latn', NumberFormatSymbols_en);
    stubs.set(
        goog.i18n, 'CompactNumberFormatSymbols', CompactNumberFormatSymbols_en);

    NumberFormat.setEnforceAsciiDigits(false);
  }
@suppress {const} See go/const-js-library-faq