@Test
    public void testInitOk() {
        val configuration = new CasConfiguration();
        configuration.setLoginUrl(LOGIN_URL);
        configuration.setProtocol(CasProtocol.CAS20_PROXY);
        val client = new DirectCasProxyClient(configuration, CALLBACK_URL);
        client.init();
    }
Tests the {@link DirectCasProxyClient}.

@author Jerome Leleu
@since 1.9.2
pac4j-cas/src/test/java/org/pac4j/cas/client/direct/DirectCasProxyClientTests.java