}

    public void test_register_multipleAuthenticators() {
        TestSsoAuthenticator authenticator1 = new TestSsoAuthenticator();
        TestSsoAuthenticator authenticator2 = new TestSsoAuthenticator();
        TestSsoAuthenticator authenticator3 = new TestSsoAuthenticator();

        ssoManager.register(authenticator1);
        ssoManager.register(authenticator2);

import java.util.Map;
import java.util.function.Function;

public class SsoAuthenticatorTest extends UnitFessTestCase {

    private TestSsoAuthenticator authenticator;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        authenticator = new TestSsoAuthenticator();
    }

    // Mock LoginCredentialResolver for testing