protected CipherExecutor setupCipherExecutor() {
        return CoreTicketUtils.newTicketRegistryCipherExecutor(
            new EncryptionRandomizedSigningJwtCryptographyProperties(), "[tests]");
    }
Determine whether the tested registry is able to iterate its tickets.
core/cas-server-core-tickets/src/test/java/org/apereo/cas/ticket/registry/BaseTicketRegistryTests.java