// Test search related labels
        assertEquals("{labels.top.search}", FessLabels.LABELS_TOP_SEARCH);
        assertEquals("{labels.index_title}", FessLabels.LABELS_index_title);
        assertEquals("{labels.index_form_search_btn}", FessLabels.LABELS_index_form_search_btn);
        assertEquals("{labels.index_label}", FessLabels.LABELS_index_label);