@Test
 public void testUpdateCustomerContact() {
   // Must change the room number field to check if test passes or fails as
   // duplicate email addresses are not allowed
   // switch between assertFalse and assertTrue
   Assert.assertFalse(
       service.updateCustomerContact(
           "0766750472", "0217050230", "*****@*****.**", "0780797809"));
 }
 @Test
 public void testGetAllCustomerContacts() {
   long count = repository.count();
   customerContactList = service.getAllCustomerContacts();
   Assert.assertTrue(customerContactList.size() == count);
 }