public void GetPaidServiceDetail()
        {
            var signal       = conn.SERVICE.First(s => s.SUBSCRIPTION.Count > 0);
            var signalDetail = platformManager.GetPaidServiceDetail(signal.ID);

            Assert.IsNotNull(signalDetail, "GetPaidServiceDetail() - должен вернуть не null");
            Assert.IsNull(platformManager.GetPaidServiceDetail(int.MaxValue), "GetPaidServiceDetail(int.MaxValue) - должен вернуть null");
            var subsCount = signal.SUBSCRIPTION.Count;

            Assert.AreEqual(subsCount, signalDetail.SubscribersCount, "GetPaidServiceDetail() - подсчет количества сигнальщиков");
        }