def METHOD_NAME(self):
    """Test that traffic lights get generated"""
    data = self.create_test_data(traffic_lights_enabled=True)
    path = json.loads(data["path"])
    destinations = json.loads(data["destinations"])
    traffic_lights = json.loads(data["traffic_lights"])
    origin = json.loads(data["origin"])
    decor = data["decor"]
    self.check_if_valid(origin, destinations, path, decor)
    # Assert no traffic lights got generated.
    self.assertTrue(traffic_lights)