public void TestAddTrader()
        {
            Trader t1 = new Trader();

            market.AddTrader(t1);
            Assert.IsTrue(market.HasTrader(t1));
        }
        public void TestSortedSet()
        {
            Trader t1     = new Trader("Trader0");
            Trader t2     = new Trader("Trader1");
            Trader t3     = new Trader("Trader2");
            Market market = new Market();

            market.AddTrader(t3);
            market.AddTrader(t1);
            market.AddTrader(t2);
            var traderSet = market.TradersListCopy;

            Assert.AreEqual(t1, Enumerable.ElementAt(traderSet, 0));
            Assert.AreEqual(t2, Enumerable.ElementAt(traderSet, 1));
            Assert.AreEqual(t3, Enumerable.ElementAt(traderSet, 2));
        }