@Test
    void verifySigningKeyWithoutService() throws Throwable {
        assertNotNull(redisSamlIdPMetadataTemplate);
        val resource = samlIdPMetadataLocator.resolveSigningKey(Optional.empty());
        assertNotNull(resource);
    }
This is {@link RedisSamlIdPMetadataLocatorTests}.

@author Misagh Moayyed
@since 6.4.0
support/cas-server-support-saml-idp-metadata-redis/src/test/java/org/apereo/cas/support/saml/idp/metadata/RedisSamlIdPMetadataLocatorTests.java