private CasConfiguration getConfig() {
        val config = new CasConfiguration();
        config.setPrefixUrl(CAS_PREFIX_URL);
        return config;
    }
Tests the {@link CasRestBasicAuthClient} and {@link CasRestFormClient}.

@author Misagh Moayyed
@since 1.8.0
pac4j-cas/src/test/java/org/pac4j/cas/client/rest/CasRestClientIT.java