public void TestCashFlowWhenHasAccount()
{
//Input
var account = AccountFactory.Build();
//behavior
_mockAccountRepository.Setup(m => m.FindBy(account.Number, account.Bank, account.Type, account.Identity))
.Returns(account);
var balances = new List <Balance>();
_mockBalanceRepository.Setup(m => m.ListTodayMore30Ahead(account.Id))
.Returns(balances);
//test
var val = _service.CashFlow(account);
//assert
Assert.IsInstanceOf <List <Balance> >(val);
Assert.AreEqual(balances, val);
_mockBalanceRepository.Verify(x => x.ListTodayMore30Ahead(account.Id), Times.Once());
}