public void PlaceStopOrder_Test()
        {
            var pair      = "ETH-BTC";
            var side      = Side.BUY;
            var price     = 0.0002M;
            var stopPrice = 0.00021M;
            var quantity  = 5;
            var stopType  = StopType.ENTRY;

            var orderId = _service.PlaceStopOrder(pair, side, price, quantity, stopPrice, stopType).Result;

            Assert.NotNull(orderId);
        }