assertFalse(result.isPresent());
    }

    // ===================================================================================
    //                                                        isOperationRunning
    //                                                        ====================

    @Test
    public void test_isOperationRunning_expired() {
        setupMockFessConfig();

     *
     * @param operationName the operation name to check.
     * @return {@code true} if the operation is running.
     */
    public boolean isOperationRunning(final String operationName) {
        try (CurlResponse response = ComponentUtil.getCurlHelper() //
                .get("/" + getIndexName() + "/_doc/" + operationName) //
                .execute()) {