@Test
public void getActiveDirectoryTimestamp() {

    // given
    var dateTime = LocalDateTime.of(2019, 1, 1, 13, 37);
    var expectedTimestamp = Long.toString(131_908_234_200_000_000L);
    // when
    var actualTimeStamp = ldapAdapter.getActiveDirectoryTimestamp(dateTime);
    // then
    assertThat(actualTimeStamp).isEqualTo(expectedTimestamp);
}