def send_test_message(self, content: str, sender_name: str='iago', stream_name: str='Denmark', topic_name: str='foo') -> None:
    sender = self.example_email(sender_name)
    self.send_stream_message(sender, stream_name, content=content, topic_name=topic_name)
def send_test_message(self, content: str, sender_name: str='iago', stream_name: str='Denmark', topic_name: str='foo') -> None:
    sender = self.example_email(sender_name)
    self.send_stream_message(sender, stream_name, content=content, topic_name=topic_name)