@Test
  public void testIso8601DateOrSecondsDateParse() {
    Date dsDate = dateService.iso8601DateOrSecondsDateParse(testData[0].iso8601DateString);
    assertEquals(dsDate, testData[0].date);

    Date dsSecondsDate =
        dateService.iso8601DateOrSecondsDateParse(testData[0].iso8601SecondsDateString);
    assertEquals(dsSecondsDate, testData[0].date);
  }
 @Test(expectedExceptions = IllegalArgumentException.class)
 public void testIso8601DateOrSecondsDateParseIllegal() {
   dateService.iso8601DateOrSecondsDateParse("-1");
 }