def test_sending_stream_message_from_electron(self) -> Generator[str, Any, None]:
     user_profile = self.example_user('hamlet')
     cookies = self._get_cookies(user_profile)
     cookie_header = self.get_cookie_header(cookies)
     queue_events_data = self._get_queue_events_data(user_profile.email)
     ws = yield self.ws_connect('/sockjs/366/v8nw22qe/websocket', cookie_header=cookie_header)
     yield ws.read_message()
     yield self._websocket_auth(ws, queue_events_data, cookies)
     request_id = ':'.join((queue_events_data['response']['queue_id'], '1'))
     user_message = {
         "req_id": request_id,
         "type": "request",
         "request": {
             "client": "website",
             "type": "stream",
             TOPIC_NAME: "Stream message",
             "stream": "Denmark",
             "private_message_recipient": "",
             "content": "hello",
             "sender_id": user_profile.id,
             "queue_id": queue_events_data['response']['queue_id'],
             "to": ujson.dumps(["Denmark"]),
             "reply_to": self.example_email('hamlet'),
             "local_id": -1,
             "socket_user_agent": "ZulipElectron/1.5.0"
         }
     }
     user_message_str = ujson.dumps(user_message)
     ws.write_message(ujson.dumps([user_message_str]))
     ack_resp = yield ws.read_message()
     msg_resp = yield ws.read_message()
     self._check_message_sending(request_id, ack_resp, msg_resp, user_profile, queue_events_data)
     yield self.close(ws)

    def testEncodeUnicodeBMP(self):
        s = u'\U0001f42e\U0001f42e\U0001F42D\U0001F42D' #