/** Test of equals method, of class Mail. */
 @Test
 public void testEquals() {
   System.out.println("equals");
   Object obj = null;
   Mail instance = new Mail();
   boolean expResult = false;
   boolean result = instance.equals(obj);
   assertEquals(expResult, result);
   // TODO review the generated test code and remove the default call to fail.
   fail("The test case is a prototype.");
 }