public void TestGetAllSymbols(string quote_ccy, string base_ccy)
{
var allsymbols = RestApi.GetAllSymbols();
Task.WaitAll(allsymbols);
Assert.Equal(TaskStatus.RanToCompletion, allsymbols.Status);
var FoundQuoteCcy = (from trading_symbol in allsymbols.Result
where trading_symbol.BaseCurrency == base_ccy && trading_symbol.QuoteCurrency == quote_ccy
select trading_symbol.QuoteCurrency).SingleOrDefault();
Assert.Equal(quote_ccy, FoundQuoteCcy);
}
