SuggestSettingsBuilder result = builder.searchTimeout("5s");
        assertEquals(builder, result); // Test method chaining
        assertEquals("5s", builder.timeoutSettings.searchTimeout);

        // Test updating search timeout
        builder.searchTimeout("15s");
        assertEquals("15s", builder.timeoutSettings.searchTimeout);
    }

    @Test
    public void testIndexTimeout() {

        /**
         * Constructs a new {@link TimeoutSettings}.
         */
        public TimeoutSettings() {
            // nothing
        }

        /** Search timeout. */
        protected String searchTimeout = "15s";
        /** Index timeout. */
        protected String indexTimeout = "1m";
        /** Bulk timeout. */
        protected String bulkTimeout = "1m";
        /** Indices timeout. */

        settingsBuilder.indexTimeout(fessConfig.getIndexIndexTimeout());
        settingsBuilder.indicesTimeout(fessConfig.getIndexIndicesTimeout());
        settingsBuilder.searchTimeout(fessConfig.getIndexSearchTimeout());
        settingsBuilder.setSettingsIndexName(fessConfig.getIndexDocumentSuggestIndex() + "_suggest");