@Test
    void verifyTicketIsNull() {
        assertTrue(expirationPolicy.isExpired(null));
    }
Test cases for {@link HardTimeoutExpirationPolicy}.

@author Misagh Moayyed
@since 4.1
core/cas-server-core-tickets/src/test/java/org/apereo/cas/ticket/expiration/HardTimeoutExpirationPolicyTests.java