@Test
public void testIsExpiredMember() {

    assertFalse(AuthzHelper.isMemberExpired(null, 0));
    assertFalse(AuthzHelper.isMemberExpired(Timestamp.fromCurrentTime(), System.currentTimeMillis() - 10000));
    assertTrue(AuthzHelper.isMemberExpired(Timestamp.fromCurrentTime(), System.currentTimeMillis() + 10000));
}