private static async void BuiltInStorageTests(List <PublicTopic> firstTopics)
        {
            PhotosRepository repo = new PhotosRepository();

            var topicNames = firstTopics.Select(x => x.Title);

            Parallel.Invoke(
                () =>
            {
                if (!TheAppContext.IsTravisCI)
                {
                    repo.CreateTopics(topicNames);
                }
            },
                () =>
            {
/*
 *                  Parallel.ForEach(topicsWithBlobs, (topicWithBlobs) =>
 *                  {
 *                      var idContentList = topicWithBlobs.Blobs.Select(x => x.IdContent).ToList();
 *                      repo.CreateContent(idContentList);
 *                      Console.WriteLine($"Saved {idContentList.Count} related blobs of Topic: {topicWithBlobs.Title}");
 *                  });
 */
            });

            var topics       = new[] { "One Topic", "Another Topic" };
            var totalActions = new List <Action>();

            foreach (var topic_ in topics)
            {
                var      topic   = topic_;
                Action[] actions = new Action[]
                {
                    () => repo.AddUserAction(topic, "Tester", "Disliked-content", UserAction.Dislike),
                    () => repo.AddUserAction(topic, "Tester", "Liked-content", UserAction.Like),
                    () => repo.AddUserAction(topic, "Another Tester", "Liked-content", UserAction.Like),
                    () => repo.AddUserAction(topic, "Tester", "Starred-content", UserAction.Star),
                    () => repo.AddUserAction(topic, "Tester", "Shared-content", UserAction.Share),
                    () =>
                    {
                        repo.AddUserAction(topic, "Tester", "Double-Liked-content", UserAction.Like);
                        repo.AddUserAction(topic, "Tester", "Double-Liked-content", UserAction.Like);
                    },
                    () =>
                    {
                        repo.AddUserAction(topic, "Tester", "Liked-and-then-Disliked-content", UserAction.Like);
                        repo.AddUserAction(topic, "Tester", "Liked-and-then-Disliked-content", UserAction.Dislike);
                    },
                    () =>
                    {
                        repo.AddUserAction(topic, "Tester", "Disliked-and-then-Liked-content", UserAction.Dislike);
                        repo.AddUserAction(topic, "Tester", "Disliked-and-then-Liked-content", UserAction.Like);
                    },
                };

                totalActions.AddRange(actions);
            }

            var             numThreads = totalActions.Count;
            ParallelOptions opts       = new ParallelOptions()
            {
                MaxDegreeOfParallelism = numThreads
            };

            Parallel.ForEach(totalActions, opts, (a) =>
            {
                try
                {
                    a();
                }
                catch
                {
                }
            });

            try
            {
                repo.GetUserPhotosByTopic("One Topic", "Tester");
                Stopwatch sw     = Stopwatch.StartNew();
                var       byUser = await repo.GetUserPhotosByTopic("One Topic", "Tester");

                Console.WriteLine($"Marks retrieved in {sw.Elapsed}:");
                foreach (var userPhoto in byUser)
                {
                    Console.WriteLine("  " + userPhoto.Value.ToDebugString());
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("TEST FAILED: repo.GetUserPhotosByTopic(\"One Topic\", \"Tester\");");
                Console.WriteLine(ex);
            }
        }