public async Task QueryActivitiesTest()
        {
            UserContentProvider mine   = new UserContentProvider();
            LoginResult         result = await mine.Login(Config.username, Config.password);

            //7998636为上一个动态的ID-1的值
            List <ActivityResult> fr = await mine.QueryActivities(7998636, result.Id.ToString(), result.MobileToken);

            Assert.IsNotNull(fr);
        }