@Test
    void verifyTicketIsNull() {
        assertTrue(expirationPolicy.isExpired(null));
        assertNotNull(expirationPolicy.toMaximumExpirationTime(ticket));
    }
Test cases for {@link MultiTimeUseOrTimeoutExpirationPolicy}.

@author Scott Battaglia
@since 3.0.0
core/cas-server-core-tickets/src/test/java/org/apereo/cas/ticket/expiration/MultiTimeUseOrTimeoutExpirationPolicyTests.java