@Test
void formattingEnglish() throws TemplateValueFormatException, TemplateModelException {

    final BigDecimal n = new BigDecimal("0.0001");
    final TemplateNumberFormat f = InterestNumberFormatFactory.INSTANCE.get("", Locale.ENGLISH,
            Environment.getCurrentEnvironment());
    final TemplateNumberModel m = () -> n;
    final Object result = f.formatToPlainText(m);
    assertThat(result).isEqualTo("0.01%");
}