[ONOS-5003][ONOS-5004][ONOS-5005]Generated Code modification for YangUtils+added interface for augmentation method and other api changes.

Change-Id: I954b9c99e182f21d01fcc5cd76fbac7d61a6c3aa
diff --git a/plugin/src/test/java/org/onosproject/yangutils/utils/io/impl/YangIoUtilsTest.java b/plugin/src/test/java/org/onosproject/yangutils/utils/io/impl/YangIoUtilsTest.java
index 5b8cddb..393408a 100644
--- a/plugin/src/test/java/org/onosproject/yangutils/utils/io/impl/YangIoUtilsTest.java
+++ b/plugin/src/test/java/org/onosproject/yangutils/utils/io/impl/YangIoUtilsTest.java
@@ -47,7 +47,7 @@
     private static final String CHECK1 = "check1";
     private static final String PKG_INFO = "package-info.java";
     private static final String PATH = "src/main/yangmodel/";
-    private static final String MSG = "Exception occured while creating package info file.";
+    private static final String MSG = "Exception occurred while creating package info file.";
 
     /**
      * Expected exceptions.