@Test
        void verifyDefaults() throws Throwable {
            val serializer = new RegisteredServiceJsonSerializer(applicationContext);
            val service = (SamlRegisteredService) serializer.from(new ClassPathResource("services/SampleSAML-1000.json").getInputStream());
            assertNotNull(service);
            assertEquals(TriStateBoolean.TRUE, service.getSignAssertions());
        }
This is {@link SamlRegisteredServiceSerializationCustomizerTests}.

@author Misagh Moayyed
@since 6.6.0
support/cas-server-support-saml-idp/src/test/java/org/apereo/cas/support/saml/services/SamlRegisteredServiceSerializationCustomizerTests.java