public void It_should_withdraw_from_funding_source() { // arrange var fundingService = new DwollaFundingService(); var options = new TransferOptions { OAuthToken = TestOAuthToken, Pin = TestPin, FundsSource = TestFundId, Amount = 1 }; // act DwollaResponse<DwollaTransaction> response = fundingService .Withdraw(options); // assert response.Success.ShouldBeTrue(); }