public void GetHolds_Test()
        {
            var symbol    = "BTC";
            var balances  = _service.GetBalances().Result;
            var accountId = balances.Where(b => b.Symbol.Equals(symbol) && b.Type.Equals("trade")).Select(b => b.Id).FirstOrDefault();

            var holds = _service.GetHolds(accountId).Result;

            // TODO: Check this one
            Assert.NotNull(holds);
        }