@RepeatedTest(1)
    void verifyDeleteUnknown() {
        val catalog = mock(TicketCatalog.class);
        val registry = new IgniteTicketRegistry(CipherExecutor.noOp(), ticketSerializationManager, catalog, applicationContext,
            igniteConfiguration, casProperties.getTicket().getRegistry().getIgnite());
        registry.initialize();
        assertTrue(registry.deleteSingleTicket(new MockTicketGrantingTicket(RegisteredServiceTestUtils.getAuthentication())) > 0);
        registry.destroy();
    }
Unit test for {@link IgniteTicketRegistry}.

@author Scott Battaglia
@author Timur Duehr timur.duehr@nccgroup.trust
@since 3.0.0
support/cas-server-support-ignite-ticket-registry/src/test/java/org/apereo/cas/ticket/registry/IgniteTicketRegistryTests.java