@property
    def content_type(self):
        return self.properties.get('content_type')
Test send with cc info.
dataset/ETHPy150Open eandersson/amqpstorm/amqpstorm/message.py/Message.content_type--crossover with--dataset/ETHPy150Open sendwithus/sendwithus_python/sendwithus/test/__init__.py/TestAPI.test_send_cc