diff --git a/utils/yangutils/src/test/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGeneratorTest.java b/utils/yangutils/src/test/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGeneratorTest.java
index 6d0056e..d2cb823 100644
--- a/utils/yangutils/src/test/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGeneratorTest.java
+++ b/utils/yangutils/src/test/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGeneratorTest.java
@@ -16,17 +16,16 @@
 
 package org.onosproject.yangutils.translator.tojava.utils;
 
-import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
-
 import org.junit.Test;
 import org.onosproject.yangutils.translator.GeneratedFileType;
 import org.onosproject.yangutils.translator.tojava.GeneratedMethodTypes;
 import org.onosproject.yangutils.translator.tojava.TraversalType;
 import org.onosproject.yangutils.utils.UtilConstants;
 
-import static org.hamcrest.core.Is.is;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
 import static org.junit.Assert.assertNotNull;
+import static org.hamcrest.core.Is.is;
 import static org.junit.Assert.assertThat;
 
 /**
@@ -40,18 +39,14 @@
      * @throws SecurityException if any security violation is observed
      * @throws NoSuchMethodException if when the method is not found
      * @throws IllegalArgumentException if there is illegal argument found
-     * @throws InstantiationException if instantiation is provoked for the
-     *             private constructor
-     * @throws IllegalAccessException if instance is provoked or a method is
-     *             provoked
-     * @throws InvocationTargetException when an exception occurs by the method
-     *             or constructor
+     * @throws InstantiationException if instantiation is provoked for the private constructor
+     * @throws IllegalAccessException if instance is provoked or a method is provoked
+     * @throws InvocationTargetException when an exception occurs by the method or constructor
      */
     @Test
-    public void callPrivateConstructors() throws SecurityException, NoSuchMethodException,
-            IllegalArgumentException, InstantiationException, IllegalAccessException, InvocationTargetException {
-        Class<?>[] classesToConstruct = {
-                ClassDefinitionGenerator.class };
+    public void callPrivateConstructors() throws SecurityException, NoSuchMethodException, IllegalArgumentException,
+    InstantiationException, IllegalAccessException, InvocationTargetException {
+        Class<?>[] classesToConstruct = {ClassDefinitionGenerator.class };
         for (Class<?> clazz : classesToConstruct) {
             Constructor<?> constructor = clazz.getDeclaredConstructor();
             constructor.setAccessible(true);
@@ -105,14 +100,14 @@
     }
 
     /**
-     * Unit test for invalid generated type.
+     * Unit test for typedef generated type.
      */
     @Test
-    public void generateInvalidDefinitionTest() {
+    public void generateTypeDefTest() {
 
-        //        String invalidDefinition = ClassDefinitionGenerator
-        //                .generateClassDefinition(GeneratedFileType.GENERATE_INTERFACE_WITH_BUILDER, "invalid");
-        //        assertThat(true, is(invalidDefinition == null));
+        String typeDef = ClassDefinitionGenerator.generateClassDefinition(GeneratedFileType.GENERATE_TYPEDEF_CLASS,
+                "invalid");
+        assertThat(true, is(typeDef.contains(UtilConstants.CLASS)));
     }
 
     /**
@@ -123,5 +118,6 @@
 
         TraversalType.valueOf(TraversalType.CHILD.toString());
         GeneratedMethodTypes.valueOf(GeneratedMethodTypes.CONSTRUCTOR.toString());
+        TempDataStoreTypes.valueOf(TempDataStoreTypes.CONSTRUCTOR.toString());
     }
 }