@Test
    public void verifySigningWithConfigurationDefaults() throws Exception {
        val configuration = new SAML2Configuration();
        verifyMetadataSigning(configuration);
    }
This is {@link DefaultSAML2MetadataSignerTests}.

@author Misagh Moayyed
@since 5.4.4
pac4j-saml/src/test/java/org/pac4j/saml/metadata/DefaultSAML2MetadataSignerTests.java