assertNotNull(authenticator.getLastResolver());
    }

    // Test getResponse method with different response types
    @Test
    public void test_getResponse_withMetadataType() {
        // Setup - Test with null response initially
        ActionResponse result = authenticator.getResponse(SsoResponseType.METADATA);

        // Verify initial state
        assertNull(result);

                stream(baseExcludes).of(stream -> stream.forEach(exclude -> popularWordsRequestBuilder.addExcludeWord(exclude)));
                try {
                    popularWordsRequestBuilder.execute().getResponse().getItems().stream().forEach(item -> wordList.add(item.getText()));
                } catch (final SuggesterException e) {
                    logger.warn("Failed to generate popular words.", e);
                }

        assertEquals("testuser", ((TestLoginCredential) credential).username);
    }

    // Test getResponse() method
    @Test
    public void test_getResponse_whenNotAvailable() {
        currentSsoType = Constants.NONE;
        assertNull(ssoManager.getResponse(SsoResponseType.METADATA));
        assertNull(ssoManager.getResponse(SsoResponseType.LOGOUT));
    }

    @Test

    /**
     * Gets the action response for the specified SSO response type.
     * @param responseType The type of SSO response required.
     * @return The action response.
     */
    ActionResponse getResponse(SsoResponseType responseType);

    /**
     * Performs logout for the specified user.
     * @param user The user to logout.
     * @return The logout URL or null if not applicable.
     */

     */
    public ActionResponse getResponse(final SsoResponseType responseType) {
        if (available()) {
            final SsoAuthenticator authenticator = getAuthenticator();
            if (authenticator != null) {
                return authenticator.getResponse(responseType);
            }
        }
        return null;
    }

    /**

    @Test
    public void test_completeOperation_ownInstance_deletesDoc() {
        setupMockFessConfig();
        final String getResponse = "{\"found\":true,\"_seq_no\":5,\"_primary_term\":1,"
                + "\"_source\":{\"type\":\"operation\",\"name\":\"reindex\"," + "\"instanceId\":\"node1@host1\",\"status\":\"running\"}}";

            if (logger.isDebugEnabled()) {
                logger.debug("Logging in with SAML Authenticator");
            }

            final HttpServletResponse response = LaResponseUtil.getResponse();

            final HttpSession session = request.getSession(false);
            if (session != null) {
                final String sesState = (String) session.getAttribute(SAML_STATE);

                builder.addKind(SuggestItem.Kind.DOCUMENT.toString());
            }

            final SuggestResponse suggestResponse = builder.execute().getResponse();

            buf.append("\"query_time\":").append(suggestResponse.getTookMs());
            buf.append(",\"record_count\":").append(suggestResponse.getTotal());

            if (logger.isDebugEnabled()) {
                logger.debug("Logging in with SPNEGO Authenticator");
            }
            final HttpServletResponse response = LaResponseUtil.getResponse();
            final SpnegoHttpServletResponse spnegoResponse = new SpnegoHttpServletResponse(response);

            // client/caller principal
            final SpnegoPrincipal principal;
            try {

        resolver.resolve(OpenIdConnectCredential.class, credential -> OptionalEntity.of(credential.getUser()));
    }

    @Override
    public ActionResponse getResponse(final SsoResponseType responseType) {
        return null;
    }

    @Override
    public String logout(final FessUserBean user) {
        return null;
    }