public void BadgeAwardedActivityAdd()
        {
            const string guidStrBadge = "515b7240-3be1-43d4-8846-c0b589cd1cd2";
            const string guidStrUser = "******";

            var activityRepository = Substitute.For<IActivityRepository>();
            IActivityService activityService = new ActivityService(activityRepository, _badgeRepository, _membershipRepository, _loggingService);
            var user = new MembershipUser { Id = new Guid(guidStrUser), UserName = "******" };
            var badge = new Badge { Id = new Guid(guidStrBadge) };

            activityService.BadgeAwarded(badge, user, DateTime.UtcNow);

            activityRepository.Received().Add((Arg.Is<Activity>(x => x.Data == BadgeActivity.KeyBadgeId + "=" + guidStrBadge + "," + BadgeActivity.KeyUserId + "=" + guidStrUser)));
        }