public void TestGetAllCurrencies() { var expected_ccy = new List <string>() { "btc", "eth", "dash", "xrp", "ltc", "eos", "usdt" }; var allcurrencies = RestApi.GetAllCurrencies(); Task.WaitAll(allcurrencies); Assert.Equal(TaskStatus.RanToCompletion, allcurrencies.Status); var missing_ccy = expected_ccy.Except(allcurrencies.Result); Assert.Empty(missing_ccy); }