'Ensure that the receiver quietly bypasses attempts to initiate
refunds when there is no external service configured.'

@override_settings(ECOMMERCE_PUBLIC_URL_ROOT=None, ECOMMERCE_API_URL=None)
def test_no_service(self):

    with mock.patch(u'commerce.signals.refund_seat') as mock_refund_seat:
        self.send_signal()
        self.assertFalse(mock_refund_seat.called)
