private ConsumerRecords<byte[], byte[]> createTestRecordsWithHeaders() {
RecordHeader header = new RecordHeader("testHeader", new byte[0]);
RecordHeaders headers = new RecordHeaders();
headers.add(header);
TimestampType timestampType = TimestampType.NO_TIMESTAMP_TYPE;
byte testByte = 0;
byte[] testKey = { testByte };
byte[] testValue = { testByte };
ConnectHeaders destinationHeaders = new ConnectHeaders();
destinationHeaders.add(header.key(), header.value(), Schema.OPTIONAL_BYTES_SCHEMA);
ConsumerRecord<byte[], byte[]> testConsumerRecord = new ConsumerRecord<byte[], byte[]>(FIRST_TOPIC, FIRST_PARTITION,
FIRST_OFFSET, System.currentTimeMillis(), timestampType, 0L, 0, 0, testKey, testValue, headers);
TopicPartition topicPartition = new TopicPartition(FIRST_TOPIC, FIRST_PARTITION);
List<ConsumerRecord<byte[], byte[]>> consumerRecords = new ArrayList<>();
consumerRecords.add(testConsumerRecord);
Map<TopicPartition, List<ConsumerRecord<byte[], byte[]>>> consumerRecordMap = new HashMap<>(1);
consumerRecordMap.put(topicPartition, consumerRecords);
ConsumerRecords<byte[], byte[]> testRecords = new ConsumerRecords<>(consumerRecordMap);
return testRecords;
}