new String[] { SuggestConstants.DEFAULT_ROLE }, null, SuggestItem.Kind.DOCUMENT);

        SuggestItem[] mergedItems = writer.mergeItems(new SuggestItem[] { item1, item2 });

        assertNotNull(mergedItems);
        assertEquals(1, mergedItems.length);
        assertEquals(3, mergedItems[0].getDocFreq());
    }

    @Test
    public void test_mergeItemsWithDifferentTexts() throws Exception {

        final BulkRequestBuilder bulkRequestBuilder = client.prepareBulk();

        final SuggestItem[] mergedItems = mergeItems(items);
        if (mergedItems.length == 0) {
            return new SuggestWriterResult();
        }

        for (final SuggestItem item : mergedItems) {
            final GetResponse getResponse = client.prepareGet().setIndex(index).setId(item.getId()).get(settings.getIndexTimeout());