public void GetOrderBookWithDefaultLimitTest()
        {
            try
            {
                OrderBook ob = market.GetOrderBook("BTCUSDT");

                Assert.IsNotNull(ob);
                Assert.LessOrEqual(ob.Bids.Count, 500);
                Assert.LessOrEqual(ob.Asks.Count, 500);
                Assert.Greater(ob.Bids.Count, 0);
                Assert.Greater(ob.Asks.Count, 0);
            }
            catch (ErrorMessageException e)
            {
                Tools.OnThrowErrorMessageException(e);
            }
        }