    @Test
    public void rfc3339ToMills() {

        assertEquals(1572374198000L , DateUtils.rfc3339ToMills("2019-10-29T18:36:38.000GMT").longValue());
        long epoch = LocalDateTime.now().atZone(ZoneId.systemDefault()).toInstant().toEpochMilli();
        assertTrue(((epoch - DateUtils.rfc3339ToMills("abc").longValue()) < 1000));
        epoch = LocalDateTime.now().atZone(ZoneId.systemDefault()).toInstant().toEpochMilli();
        assertTrue(((epoch - DateUtils.rfc3339ToMills("10-23-2001").longValue()) < 1000));
    }