* @param searchEngineClient the search engine client to use for deletion
     * @param id the document ID to delete
     * @return true if the deletion was successful, false otherwise
     */
    public boolean deleteDocument(final SearchEngineClient searchEngineClient, final String id) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return searchEngineClient.delete(fessConfig.getIndexDocumentUpdateIndex(), id);
    }

                return true;
            }
        };
        ComponentUtil.register(client, "searchEngineClient");

        final String id = "001";

        assertTrue(indexingHelper.deleteDocument(client, id));
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals(id, resultMap.get("id"));
    }

    @Test
    public void test_deleteDocumentByUrl() {