public async Task TestGetSettlement()
        {
            // make sure we get a ledger with a not null Entries property
            var settlements = await _bitpay.GetSettlements(Currency.EUR, yesterday.AddMonths(-1).AddDays(3), tomorrow);

            var firstSettlement = settlements[0];
            var settlement      = await _bitpay.GetSettlement(firstSettlement.Id);

            Assert.IsNotNull(settlement.Id);
            Assert.AreEqual(firstSettlement.Id, settlement.Id);
        }