def test_dnc_contact_form(self): self.assertEqual(self.dnc_contact.dnc, self.dnc) form = DNCContactForm(self.user) form.phone_number = '123456' obj = form.save(commit=False) obj.dnc = self.dnc obj.save() form = DNCContactForm(self.user, instance=self.dnc_contact) self.assertTrue(isinstance(form.instance, DNCContact))