public boolean isExpired() {
    return super.isExpired();
  }
@Test
  public void testAnonymous() {
    Assert.assertNotNull(AuthenticationToken.ANONYMOUS);
    Assert.assertEquals(null, AuthenticationToken.ANONYMOUS.getUserName());
    Assert.assertEquals(null, AuthenticationToken.ANONYMOUS.getName());
    Assert.assertEquals(null, AuthenticationToken.ANONYMOUS.getType());
    Assert.assertEquals(-1, AuthenticationToken.ANONYMOUS.getExpires());
    Assert.assertFalse(AuthenticationToken.ANONYMOUS.isExpired());
  }