def METHOD_NAME(self):
    slug = "webkom"
    page = self.pages.get(slug=slug)
    user = create_normal_user()
    group = create_group()
    page.can_edit_groups.add(group)
    wrong_group = create_group()
    wrong_group.add_user(user)
    wrong_group.save()
    self.client.force_authenticate(user)
    response = self.client.patch(
        "/api/v1/pages/{0}/".format(slug), get_new_unique_page()
    )
    self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)