Russole commented on code in PR #22579:
URL: https://github.com/apache/kafka/pull/22579#discussion_r3414996849


##########
streams/integration-tests/src/test/java/org/apache/kafka/streams/integration/utils/IntegrationTestUtils.java:
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@@ -660,7 +658,7 @@ public static <K, V> List<ConsumerRecord<K, V>> 
waitUntilMinRecordsReceived(fina
                 final List<ConsumerRecord<K, V>> readData =
                     readRecords(topic, consumer, waitTime, expectedNumRecords);
                 accumData.addAll(readData);
-                assertThat(reason, accumData.size(), 
is(greaterThanOrEqualTo(expectedNumRecords)));
+                assertTrue(accumData.size() >= expectedNumRecords, reason);

Review Comment:
   Thanks @chia7712 for the review. I can remove the IntegrationTestUtils 
changes.
   
   One thing I noticed locally is that if I revert those changes but still 
remove Hamcrest from tools, :tools:test fails with NoClassDefFoundError: 
org/hamcrest/Matchers.
   
   So even though tools does not use Hamcrest directly, some tools tests call 
IntegrationTestUtils from the Streams integration tests, and that class still 
uses Hamcrest. That means tools still needs Hamcrest indirectly unless we also 
remove the Hamcrest usage there.
   
   Do you prefer that I keep the IntegrationTestUtils change in this PR, or 
should I leave the tools Hamcrest dependency as-is?



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