HttpDateDelayParser implements DelayParser { @Override public Duration parse(final String value) { return until(parseDate(value)); }  @Override Duration parse(final String value);  }
@Test void shouldParseHttpDate() { assertEquals(Duration.ofSeconds(17), unit.parse("Sun, 24 Jun 2018 01:19:54 GMT")); }
@Test void shouldIgnoreSeconds() { assertNull(unit.parse("17")); }
@Test void shouldIgnoreIso8601() { assertNull(unit.parse("2018-04-11T22:34:28Z")); }