[ONOS-4799],[ONOS-4351] Augment inter file linker and Generated Code refactored.

Change-Id: Id1f3ac9c90a632373f51cc75d499c3110216be17
diff --git a/utils/yangutils/plugin/src/test/java/org/onosproject/yangutils/plugin/manager/YangPluginUtilsTest.java b/utils/yangutils/plugin/src/test/java/org/onosproject/yangutils/plugin/manager/YangPluginUtilsTest.java
index a6e2e08..891a280 100644
--- a/utils/yangutils/plugin/src/test/java/org/onosproject/yangutils/plugin/manager/YangPluginUtilsTest.java
+++ b/utils/yangutils/plugin/src/test/java/org/onosproject/yangutils/plugin/manager/YangPluginUtilsTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.onosproject.yangutils.plugin.manager;
 
 import java.io.File;
@@ -11,7 +27,7 @@
 import static org.onosproject.yangutils.plugin.manager.YangPluginUtils.addToCompilationRoot;
 
 /**
- * Created by root1 on 16/6/16.
+ * Unit test case for YANG plugin utils.
  */
 public class YangPluginUtilsTest {