empty comments needed for license?

plugins/network-elements/bigswitch/test/com/cloud/network/bigswitch/BigSwitchBcfUtilsTest.java

@@ -1,3 +1,4 @@
+//
 // Licensed to the Apache Software Foundation (ASF) under one
 // or more contributor license agreements.  See the NOTICE file
 // distributed with this work for additional information
@@ -14,6 +15,7 @@
 // KIND, either express or implied.  See the License for the
 // specific language governing permissions and limitations
 // under the License.
+//
 package com.cloud.network.bigswitch;
 
 import static org.junit.Assert.assertEquals;