Fixing Kafka Binder unit test issues

binders/kafka-binder/spring-cloud-stream-binder-kafka/src/test/java/org/springframework/cloud/stream/binder/kafka/KafkaBinderUnitTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-2023 the original author or authors.
+ * Copyright 2017-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,6 +23,7 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Properties;
 import java.util.Set;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
@@ -68,6 +69,7 @@ import static org.mockito.Mockito.verify;
 /**
  * @author Gary Russell
  * @author Omer Celik
+ * @author Soby Chacko
  * @since 1.2.2
  *
  */
@@ -265,6 +267,12 @@ class KafkaBinderUnitTests {
 						return consumer;
 					}
 
+					@Override
+					public Consumer<byte[], byte[]> createConsumer(String groupId, String clientIdPrefix,
+																   String clientIdSuffix, Properties properties) {
+						return consumer;
+					}
+
 					@Override
 					public boolean isAutoCommit() {
 						return false;