### Question:
WxCpChatServiceImpl implements WxCpChatService { @Override public void sendMsg(WxCpAppChatMessage message) throws WxErrorException { this.cpService.post("https: } WxCpChatServiceImpl(WxCpService cpService); @Override String chatCreate(String name, String owner, List<String> users, String chatId); @Override String create(String name, String owner, List<String> users, String chatId); @Override void chatUpdate(String chatId, String name, String owner, List<String> usersToAdd, List<String> usersToDelete); @Override void update(String chatId, String name, String owner, List<String> usersToAdd, List<String> usersToDelete); @Override WxCpChat chatGet(String chatId); @Override WxCpChat get(String chatId); @Override void sendMsg(WxCpAppChatMessage message);  }### Answer:
@Test(dataProvider = "messages") public void testSendMsg(WxCpAppChatMessage message) throws WxErrorException { this.cpService.getChatService().sendMsg(message); }