YANG: Line number and character position addition for cardinality failure + Increase readability of Error message and function name

Change-Id: I467a536a9d2a6cbb29873491fdb0a91f211deefd
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ContainerListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ContainerListenerTest.java
index eeb85bb..b34209e 100644
--- a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ContainerListenerTest.java
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/ContainerListenerTest.java
@@ -206,7 +206,7 @@
     @Test
     public void processContainerSubStatementCardinality() throws IOException, ParserException {
         thrown.expect(ParserException.class);
-        thrown.expectMessage("YANG file error: Invalid cardinality of reference in container \"valid\".");
+        thrown.expectMessage("YANG file error: \"reference\" is defined more than once in \"container valid\".");
         YangNode node = manager.getDataModel("src/test/resources/ContainerSubStatementCardinality.yang");
     }