public async void Chatter_Get_Group_News_Feed_IsNotNull()
        {
            var groups = await _chatterClient.GetGroupsAsync <GroupPage>();

            var groupId   = groups.groups[0].id;
            var groupFeed = await _chatterClient.GetGroupFeedAsync <FeedItemPage>(groupId);

            Assert.IsNotNull(groupFeed);
        }
        public async void Chatter_Get_Group_News_Feed_IsNotNull()
        {
            var groups = await _chatterClient.GetGroupsAsync <GroupPage>();

            if (groups.Groups.Count > 0)
            {
                var groupId   = groups.Groups[0].Id;
                var groupFeed = await _chatterClient.GetGroupFeedAsync <FeedItemPage>(groupId);

                Assert.IsNotNull(groupFeed);
            }
            else
            {
                Assert.AreEqual(0, groups.Groups.Count);
            }
        }