def METHOD_NAME(self):
    """
    Only enabled Banners can be listed.
    """
    response = self.client.get(self.banner_base_url)
    results = response.data["results"]
    self.assertEqual(len(results), 1)
    self.assertEqual(results[0]["name"], self.banner_enabled_ongoing.name)
    self.banner_disabled.enabled = True
    self.banner_disabled.save()
    response = self.client.get(self.banner_base_url)
    results = response.data["results"]
    self.assertEqual(len(results), 2)
    Banner.objects.update(enabled=False)
    response = self.client.get(self.banner_base_url)
    results = response.data["results"]
    self.assertEqual(len(results), 0)