/** the accuracy test for the getter and setter for the body. */
 public void testBody() {
   assertTrue(instance.getBody().equals(""));
   instance.setBody("body");
   assertEquals("body", instance.getBody());
 }
 /** the accuracy test for the constructor. */
 public void testCtor() {
   assertNotNull("The instance should not be null.", instance);
   assertTrue(instance.getBody().equals(""));
   assertTrue(instance.getLanguage().equals(""));
 }