/*
  * this method test equals method
  * this will check equality based on retired indicator.
  */
 public void testEquals4() {
   AbstractMutableDeletableDomainObject obj1 = new AbstractMutableDeletableDomainObject();
   AbstractMutableDeletableDomainObject obj2 = new AbstractMutableDeletableDomainObject();
   obj2.setRetiredIndicatorAsTrue();
   assertFalse(
       "objects are not same because retired indictaor is different for both objects",
       obj1.equals(obj2));
 }
 /*
  * this method test equals method
  * this will check equality based on retired indicator.
  */
 public void testEquals2() {
   AbstractMutableDeletableDomainObject obj1 = new AbstractMutableDeletableDomainObject();
   AbstractMutableDeletableDomainObject obj2 = new AbstractMutableDeletableDomainObject();
   obj1.setRetiredIndicatorAsFalse();
   obj2.setRetiredIndicatorAsTrue();
   assertFalse(
       "objects are not same because obj1 has false retired indicator while obj2 has true",
       obj1.equals(obj2));
 }
 /*
  * this method test equals method
  * this will check equality based on retired indicator.
  */
 public void testEquals5() {
   AbstractMutableDeletableDomainObject obj1 = new AbstractMutableDeletableDomainObject();
   AbstractMutableDeletableDomainObject obj2 = new AbstractMutableDeletableDomainObject();
   assertTrue(
       "objects are same because retired indictaor is null for both objects", obj1.equals(obj2));
 }
 /*
  * this method test equals method
  * this will check equality, id other obj is null
  */
 public void testEquals() {
   AbstractMutableDeletableDomainObject obj1 = new AbstractMutableDeletableDomainObject();
   assertFalse("objects are not same because comparing with null", obj1.equals(null));
 }