def test_valid_form(self):
     """Verify that a valid form is valid."""
     cc_form = CreditCardDonationForm({
         'type': 'visa',
         'first_name': 'William',
         'last_name': 'Taft',
         'expire_month': 6,
         'expire_year': 2020,
         'cvv2': '00',
         'number': '1234123412341234',
         'amount': '10.00',
     })
     if not cc_form.is_valid():
         print cc_form.errors
     self.assertTrue(cc_form.is_valid())