@Test
        void verifyClient() {
            val clients = delegatedIdentityProviderFactory.build();
            assertEquals(4, clients.size());
        }
This is {@link DefaultDelegatedIdentityProviderFactoryOidcTests}.

@author Misagh Moayyed
@since 5.3.0
support/cas-server-support-pac4j-oidc/src/test/java/org/apereo/cas/support/pac4j/clients/DefaultDelegatedIdentityProviderFactoryOidcTests.java