@Test
public void testParseDateTime() {

    OffsetDateTime hourAfterEpoch = OffsetDateTime.of(1970, 1, 1, 1, 0, 0, 0, ZoneOffset.UTC);
    long parsedMilliseconds = DateTimeUtils.parseDateTime(hourAfterEpoch.format(DateTimeFormatter.ISO_DATE_TIME));
    assertEquals(HOUR_IN_MILLISECONDS, parsedMilliseconds);
}