Whitebox issue fix

Change-Id: I856266e26d2686affb9271c460927ba3e0e07db2
diff --git a/src/test/java/org/onosproject/yangutils/parser/impl/YangUtilsParserManagerTest.java b/src/test/java/org/onosproject/yangutils/parser/impl/YangUtilsParserManagerTest.java
index 6924849..9b3effc 100644
--- a/src/test/java/org/onosproject/yangutils/parser/impl/YangUtilsParserManagerTest.java
+++ b/src/test/java/org/onosproject/yangutils/parser/impl/YangUtilsParserManagerTest.java
@@ -60,7 +60,7 @@
      * This test case checks whether the io exception is generated
      * when the input YANG file is non existent.
      */
-    @Test(expected = IOException.class)
+    @Test(expected = ParserException.class)
     public void getDataModelNonExistentFileTest() throws IOException, ParserException {
 
         YangUtilsParserManager manager = new YangUtilsParserManager();