Replace usage of transitive shaded dependency

Signed-off-by: Andrew Ross <andrross@amazon.com>

Author: andrross

plugins/ingestion-kafka/src/test/java/org/opensearch/plugin/kafka/KafkaUtils.java

@@ -24,23 +24,11 @@
 import java.util.concurrent.TimeUnit;
 import java.util.function.Function;
 
-import org.testcontainers.shaded.com.google.common.collect.ImmutableMap;
-
 import static org.awaitility.Awaitility.await;
 
 public class KafkaUtils {
     private static final Logger LOGGER = LogManager.getLogger(KafkaUtils.class);
 
-    /**
-     * Creates kafka topic
-     *
-     * @param topicName the topic name
-     * @param bootstrapServer kafka bootstrap server list
-     */
-    public static void createTopic(String topicName, String bootstrapServer) {
-        createTopic(topicName, 1, bootstrapServer);
-    }
-
     public static void createTopic(String topicName, int numOfPartitions, String bootstrapServers) {
         try {
             getAdminClient(bootstrapServers, (client -> {
@@ -60,28 +48,24 @@ public static void createTopic(String topicName, int numOfPartitions, String boo
 
     public static boolean checkTopicExistence(String topicName, String bootstrapServers) {
         return getAdminClient(bootstrapServers, (client -> {
-            Map<String, KafkaFuture<TopicDescription>> topics = client.describeTopics(List.of(topicName)).values();
+            Map<String, KafkaFuture<TopicDescription>> topics = client.describeTopics(List.of(topicName)).topicNameValues();
 
             try {
                 return topics.containsKey(topicName) && topics.get(topicName).get().name().equals(topicName);
-            } catch (InterruptedException e) {
-                LOGGER.error("error on checkTopicExistence", e);
-                return false;
-            } catch (ExecutionException e) {
+            } catch (InterruptedException | ExecutionException e) {
                 LOGGER.error("error on checkTopicExistence", e);
                 return false;
             }
         }));
     }
 
     private static <Rep> Rep getAdminClient(String bootstrapServer, Function<AdminClient, Rep> function) {
-        AdminClient adminClient = KafkaAdminClient.create(
-            ImmutableMap.of(AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServer, AdminClientConfig.CLIENT_ID_CONFIG, "test")
-        );
-        try {
+        try (
+            AdminClient adminClient = KafkaAdminClient.create(
+                Map.of(AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServer, AdminClientConfig.CLIENT_ID_CONFIG, "test")
+            )
+        ) {
             return function.apply(adminClient);
-        } finally {
-            adminClient.close();
         }
     }
 }