// Setup mock components
        SearchEngineClient searchEngineClient = new SearchEngineClient() {
            @Override
            public PingResponse ping() {
                PingResponse response = new PingResponse(createMockHealthResponse("test-cluster", ClusterHealthStatus.RED)) {
                    @Override
                    public int getStatus() {

            }
        };
        ComponentUtil.register(mockConfig, "fessConfig");

        // Note: Full testing requires a running OpenSearch cluster
        // These tests verify the PingResponse class structure is correct
        assertTrue(true);
    }

    @Test
    public void test_getClusterName_returnsCorrectValue() {
        // Test cluster name getter exists

        try {
            final PingResponse pingResponse = searchEngineClient.ping();
            writeJsonResponse(pingResponse.getStatus() == 0 ? HttpServletResponse.SC_OK : HttpServletResponse.SC_SERVICE_UNAVAILABLE,
                    "\"data\":" + pingResponse.getMessage());
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {

     * @throws SearchEngineClientException if the ping fails
     */
    public PingResponse ping() {
        try {
            final ClusterHealthResponse response =
                    client.admin().cluster().prepareHealth().execute().actionGet(ComponentUtil.getFessConfig().getIndexHealthTimeout());
            return new PingResponse(response);
        } catch (final OpenSearchException e) {