@Test
void testEventTimeToString_Long_MinSupportedTime() {

    long minSupportedTime = -62135596800000L;
    assertEquals("0001-01-01 00:00:00.000", EventUtil.eventTimeToString(Long.valueOf(minSupportedTime)));
    assertThrows(IllegalArgumentException.class, () -> EventUtil.eventTimeToString(Long.valueOf(minSupportedTime - 1)));
}