protected static Response deleteMethod(final String path) {
        return given().contentType("application/json").header("Authorization", getTestToken()).delete(path);
    }

    protected static void deleteDocuments(final String queryString) {
        List<String> docIds = new ArrayList<>();
        Response response = given().contentType("application/json")
                .param("scroll", "1m")

        assertNull(exceptions[1], "Clear thread threw exception");
    }

    /**
     * Test iteration over deleteUrlList while synchronized.
     * This simulates what happens in deleteDocuments() method.
     */
    @Test
    public void test_deleteUrlList_iteration() throws Exception {
        IndexUpdateCallback mockCallback = new IndexUpdateCallback() {
            @Override

                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() {