def METHOD_NAME(self):
    form = self.app.get(
        "/bulk_adding/party/parl.2015-05-07/",
        user=self.user_who_can_upload_documents,
    ).forms[1]
    form["party_GB_1"] = self.conservative_party.ec_id
    response = form.submit().follow()
    self.assertEqual(response.status_code, 200)
    self.assertContains(response, "Add Conservative Party candidates")
    self.assertEqual(response.context["election_obj"], self.election)
    self.assertTrue(len(response.context["posts"]), 2)
    self.assertContains(response, "Camberwell and Peckham")
    self.assertContains(response, "1 seat contested.")
    self.assertContains(
        response, "No Conservative Party candidates known yet."
    )