Update unit test

Author: sonvister

test/Binance.Tests/Market/CandlestickTest.cs

@@ -31,7 +31,9 @@ public void Throws()
             Assert.Throws<ArgumentException>("low", () => new Candlestick(symbol, interval, openTime, open, high, -1, close, volume, closeTime, quoteAssetVolume, numberOfTrades, takerBuyBaseAssetVolume, takerBuyQuoteAssetVolume));
             Assert.Throws<ArgumentException>("close", () => new Candlestick(symbol, interval, openTime, open, high, low, -1, volume, closeTime, quoteAssetVolume, numberOfTrades, takerBuyBaseAssetVolume, takerBuyQuoteAssetVolume));
 
-            Assert.Throws<ArgumentException>("volume", () => new Candlestick(symbol, interval, openTime, open, high, low, close, -1, closeTime, quoteAssetVolume, numberOfTrades, takerBuyBaseAssetVolume, takerBuyQuoteAssetVolume));
+            // HACK: https://api.binance.com/api/v1/klines?symbol=TRXBTC&interval=1M returns negative volume.
+            //Assert.Throws<ArgumentException>("volume", () => new Candlestick(symbol, interval, openTime, open, high, low, close, -1, closeTime, quoteAssetVolume, numberOfTrades, takerBuyBaseAssetVolume, takerBuyQuoteAssetVolume));
+
             Assert.Throws<ArgumentException>("quoteAssetVolume", () => new Candlestick(symbol, interval, openTime, open, high, low, close, volume, closeTime, -1, numberOfTrades, takerBuyBaseAssetVolume, takerBuyQuoteAssetVolume));
             Assert.Throws<ArgumentException>("takerBuyBaseAssetVolume", () => new Candlestick(symbol, interval, openTime, open, high, low, close, volume, closeTime, quoteAssetVolume, numberOfTrades, -1, takerBuyQuoteAssetVolume));
             Assert.Throws<ArgumentException>("takerBuyQuoteAssetVolume", () => new Candlestick(symbol, interval, openTime, open, high, low, close, volume, closeTime, quoteAssetVolume, numberOfTrades, takerBuyBaseAssetVolume, -1));