@Test
public void evaluatesPreconditionsResponseByLastModificationDateAs_PRECONDITION_FAILED_WhenLastModificationDateIsAfterIfUnmodifiedSinceHeader() {

    Date now = new Date();
    Date before = new Date(now.getTime() - 10000);
    headers.putSingle(IF_UNMODIFIED_SINCE, formatDateInRfc1123DateFormat(before));
    Response response = containerRequest.evaluatePreconditions(now).build();
    assertEquals(PRECONDITION_FAILED, response.getStatusInfo());
}