@Test
public void testAcceptsHTMLAndText() {

	ReadingTimeCalculator readingTimeCalculator =
		new ReadingTimeCalculatorImpl();
	for (String contentType : _supportedContentTypes) {
		Optional<Duration> readingTimeOptional =
			readingTimeCalculator.calculate(
				StringUtil.randomString(), contentType,
				LocaleUtil.getDefault());
		Assert.assertTrue(readingTimeOptional.isPresent());
	}
}