assertEquals("{labels.excludedUrls}", FessLabels.LABELS_EXCLUDED_URLS);
        assertEquals("{labels.excludedDocPaths}", FessLabels.LABELS_EXCLUDED_DOC_PATHS);
        assertEquals("{labels.excludedDocUrls}", FessLabels.LABELS_EXCLUDED_DOC_URLS);
        assertEquals("{labels.hostname}", FessLabels.LABELS_HOSTNAME);
        assertEquals("{labels.id}", FessLabels.LABELS_ID);