Identifier issue fix for module, list, container, leaf, leaf-list, prefix + date agr string for revision fix

Change-Id: Id9d596512f35b54f6359d361402bcd0180b71678
diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/PrefixListenerTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/PrefixListenerTest.java
index b090bd0..3d7ff5c 100644
--- a/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/PrefixListenerTest.java
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/parser/impl/listeners/PrefixListenerTest.java
@@ -56,6 +56,16 @@
     }
 
     /**
+     * Checks prefix value with double quotes.
+     */
+    @Test
+    public void processPrefixWithDoubleQuotes() throws IOException, ParserException {
+
+        YangNode node = manager.getDataModel("src/test/resources/PrefixWithDoubleQuotes.yang");
+        assertThat(((YangModule) node).getPrefix(), is("On"));
+    }
+
+    /**
      * Checks that prefix should be present just once.
      */
     @Test(expected = ParserException.class)