/** Test of getMail method, of class DataClient. */
 @Test
 public void testGetMail() {
   System.out.println("getMail");
   DataClient instance =
       new DataClient("nickname", "nombre", "apellido", null, "direccion", "*****@*****.**", "imagen");
   String expResult = "*****@*****.**";
   String result = instance.getMail();
   assertEquals(expResult, result);
   // TODO review the generated test code and remove the default call to fail.
   // fail("The test case is a prototype.");
 }