remove unused import

Signed-off-by: Sotaro Hikita <bering1814@gmail.com>

Author: lawofcycles

data-prepper-plugins/iceberg-source/src/test/java/org/opensearch/dataprepper/plugins/source/iceberg/worker/ChangelogWorkerTest.java

@@ -42,15 +42,13 @@
 import org.opensearch.dataprepper.plugins.source.iceberg.coordination.state.InitialLoadTaskProgressState;
 
 import java.time.Duration;
-import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.mockStatic;
 import static org.mockito.Mockito.never;