MINOR: Use meaningful name in AsyncKafkaConsumerTest (#19550)

Replace names like a, b, c, ... with meaningful names in
AsyncKafkaConsumerTest.

Follow-up:
#19457 (comment)

Signed-off-by: PoAn Yang <[email protected]>

Reviewers: Bill Bejeck <[email protected]>, Ken Huang <[email protected]>

Author: FrankYang0529

clients/src/test/java/org/apache/kafka/clients/consumer/internals/AsyncKafkaConsumerTest.java

@@ -223,10 +223,10 @@ private AsyncKafkaConsumer<String, String> newConsumerWithStreamRebalanceData(
             new StringDeserializer(),
             new StringDeserializer(),
             time,
-            (a, b, c, d, e, f, g, h) -> applicationEventHandler,
-            a -> backgroundEventReaper,
-            (a, b, c, d, e, f, g) -> fetchCollector,
-            (a, b, c, d) -> metadata,
+            (logContext, time, applicationEventBlockingQueue, completableEventReaper, applicationEventProcessorSupplier, networkClientDelegateSupplier, requestManagersSupplier, asyncConsumerMetrics) -> applicationEventHandler,
+            logContext -> backgroundEventReaper,
+            (logContext, consumerMetadata, subscriptionState, fetchConfig, deserializers, fetchMetricsManager, time) -> fetchCollector,
+            (consumerConfig, subscriptionState, logContext, clusterResourceListeners) -> metadata,
             backgroundEventQueue,
             Optional.ofNullable(streamsRebalanceData)
         );
@@ -238,10 +238,10 @@ private AsyncKafkaConsumer<String, String> newConsumer(ConsumerConfig config) {
             new StringDeserializer(),
             new StringDeserializer(),
             time,
-            (a, b, c, d, e, f, g, h) -> applicationEventHandler,
-            a -> backgroundEventReaper,
-            (a, b, c, d, e, f, g) -> fetchCollector,
-            (a, b, c, d) -> metadata,
+            (logContext, time, applicationEventBlockingQueue, completableEventReaper, applicationEventProcessorSupplier, networkClientDelegateSupplier, requestManagersSupplier, asyncConsumerMetrics) -> applicationEventHandler,
+            logContext -> backgroundEventReaper,
+            (logContext, consumerMetadata, subscriptionState, fetchConfig, deserializers, fetchMetricsManager, time) -> fetchCollector,
+            (consumerConfig, subscriptionState, logContext, clusterResourceListeners) -> metadata,
             backgroundEventQueue,
             Optional.empty()
         );