public void GetFriendsPostTest()
        {
            var         getterPosts2 = new vk_Api_groups.GetterTopPosts("", "21447539");
            List <Post> Posts        = getterPosts2.GetFriendsPosts(expectArr, "1");

            List <Post> expectPost = new List <Post>();

            expectPost.Add(new Post("15124320", "10162", "0"));
            expectPost.Add(new Post("17790509", "585", "0"));
            expectPost.Add(new Post("18006281", "2739", "8"));
            expectPost.Add(new Post("18171633", "4054", "150"));
            expectPost.Add(new Post("19351792", "1324", "0"));
            expectPost.Add(new Post("19435679", "1163", "0"));
            expectPost.Add(new Post("19701897", "2943", "30"));


            for (int i = 0; i < expectPost.Count; i++)
            {
                Assert.AreEqual(Posts[i].GetLikes(), expectPost[i].GetLikes());
                Assert.AreEqual(Posts[i].GetPost(), expectPost[i].GetPost());
                Assert.AreEqual(Posts[i].GetUser(), expectPost[i].GetUser());
            }
        }