### Question:
WxMpUserBlacklistServiceImpl implements WxMpUserBlacklistService { @Override public void pullFromBlacklist(List<String> openidList) throws WxErrorException { Map<String, Object> map = new HashMap<>(2); map.put("openid_list", openidList); String url = API_BLACKLIST_PREFIX + "/batchunblacklist"; this.wxMpService.execute(SimplePostRequestExecutor.create(this.wxMpService.getRequestHttp()), url, WxMpGsonBuilder.create().toJson(map)); } WxMpUserBlacklistServiceImpl(WxMpService wxMpService); @Override WxMpUserBlacklistGetResult getBlacklist(String nextOpenid); @Override void pushToBlacklist(List<String> openidList); @Override void pullFromBlacklist(List<String> openidList);  }### Answer:
@Test public void testPullFromBlacklist() throws Exception { TestConfigStorage configStorage = (TestConfigStorage) this.wxService .getWxMpConfigStorage(); List<String> openidList = new ArrayList<>(); openidList.add(configStorage.getOpenid()); this.wxService.getBlackListService().pullFromBlacklist(openidList); }