public async Task GetBoardState()
        {
            var res1 = await PublicApi.GetBoardState(ProductCode.BtcJpy);

            Assert.NotNull(res1);

            var res2 = await PublicApi.GetBoardState(ProductCode.FxBtcJpy);

            Assert.NotNull(res2);

            var res3 = await PublicApi.GetBoardState(ProductCode.EthBtc);

            Assert.NotNull(res3);

            var res4 = await PublicApi.GetBoardState("BTCJPY24NOV2017");

            Assert.NotNull(res4);
        }