FrankYang0529 commented on code in PR #16982:
URL: https://github.com/apache/kafka/pull/16982#discussion_r1736371829


##########
clients/src/test/java/org/apache/kafka/clients/consumer/KafkaConsumerTest.java:
##########
@@ -2507,32 +2523,33 @@ public void testCurrentLag(GroupProtocol groupProtocol) 
{
         assertEquals(OptionalLong.of(45L), consumer.currentLag(tp0));
     }
 
-    // TODO: this test triggers a bug with the CONSUMER group protocol 
implementation.
-    //       The bug will be investigated and fixed so this test can use both 
group protocols.
     @ParameterizedTest
-    @EnumSource(value = GroupProtocol.class, names = "CLASSIC")
-    public void testListOffsetShouldUpdateSubscriptions(GroupProtocol 
groupProtocol) {
+    @EnumSource(GroupProtocol.class)
+    public void testListOffsetShouldUpdateSubscriptions(GroupProtocol 
groupProtocol) throws InterruptedException {
         final ConsumerMetadata metadata = createMetadata(subscription);
         final MockClient client = new MockClient(time, metadata);
 
         initMetadata(client, singletonMap(topic, 1));
 
-        consumer = newConsumer(groupProtocol, time, client, subscription, 
metadata, assignor, true, groupInstanceId);
-
+        consumer = newConsumer(groupProtocol, time, client, subscription, 
metadata, assignor, false,
+                null, groupInstanceId, false);
         consumer.assign(singleton(tp0));
-
-        // poll once to update with the current metadata
-        consumer.poll(Duration.ofMillis(0));
-        client.respond(FindCoordinatorResponse.prepareResponse(Errors.NONE, 
groupId, metadata.fetch().nodes().get(0)));
-

Review Comment:
   Like @lianetm's suggestion 
https://github.com/apache/kafka/pull/16982#discussion_r1731802528. In 
`testListOffsetShouldUpdateSubscriptions`, we want to check `endOffsets` 
function. It doesn't need group coordinator.



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