def METHOD_NAME(self):
    submission = factories.SubmissionFactory(author=self.user)
    factories.SelectedFormFactory(submission=submission)
    submission.administrative_entity.forms.set(submission.forms.all())
    field = factories.FieldFactoryTypeAddress(
        input_type=submissions_models.Field.INPUT_TYPE_ADDRESS, is_mandatory=True
    )
    field.forms.set(submission.forms.all())
    data = {
        "fields-{}_{}".format(form.pk, field.pk): ""
        for form in submission.forms.all()
    }
    response = self.client.post(
        reverse(
            "submissions:submission_fields",
            kwargs={"submission_id": submission.pk},
        ),
        data=data,
    )
    parser = get_parser(response.content)
    self.assertEqual(1, len(parser.select(".invalid-feedback")))