diff --git a/bookkeeper-server/src/test/java/org/apache/bookkeeper/proto/BookieRequestHandlerTest.java b/bookkeeper-server/src/test/java/org/apache/bookkeeper/proto/BookieRequestHandlerTest.java
index ba3d358601d..385d610adf4 100644
--- a/bookkeeper-server/src/test/java/org/apache/bookkeeper/proto/BookieRequestHandlerTest.java
+++ b/bookkeeper-server/src/test/java/org/apache/bookkeeper/proto/BookieRequestHandlerTest.java
@@ -27,6 +27,7 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
+
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.ByteBufAllocator;
 import io.netty.channel.Channel;