private ProduceResponse produceResponse(TopicPartition tp, long offset, Errors error, int throttleTimeMs) {
        return produceResponse(tp, offset, error, throttleTimeMs, -1L, null);
    }
It creates response with new leader info and new nodes, as stated in KIP-951
clients/src/test/java/org/apache/kafka/clients/producer/internals/SenderTest.java