Fix imports

This reverts commit 6d37671.

Signed-off-by: Jeffrey Aaron Jeyasingh <jeffreyaaron06@gmail.com>

Author: jeffreyAaron

data-prepper-plugins/kafka-plugins/src/integrationTest/java/org/opensearch/dataprepper/plugins/kafka/buffer/KafkaBufferIT.java

@@ -56,10 +56,14 @@
 import static org.awaitility.Awaitility.await;
 import static org.hamcrest.CoreMatchers.not;
 import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.Matchers.*;
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.hasKey;
+import static org.hamcrest.Matchers.notNullValue;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.*;
+import static org.mockito.Mockito.lenient;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
 import static org.opensearch.dataprepper.plugins.kafka.buffer.ReadBufferHelper.awaitRead;
 import static org.opensearch.dataprepper.test.helper.ReflectivelySetField.setField;