Could you do the change on this one too please? I forgot to test in between.
```
testDriver.pipeRecord(sourceTopic, ("1", "value1"))
acc shouldBe "value1"
testDriver.pipeRecord(sourceTopic, ("2", "value2"))
acc shouldBe "value1value2"
```[ Full content available at: https://github.com/apache/kafka/pull/5566 ] This message was relayed via gitbox.apache.org for [email protected]
