public void TestListListTodayMore30Ahead(int input, int output)
        {
            var account = AccountFactory.Create();

            for (int i = 0; i < input; i++)
            {
                BalanceFactory.Create(x =>
                {
                    x.Date    = DateTime.Today.AddDays(i);
                    x.Account = account;
                });
            }
            var balances = _repository.ListTodayMore30Ahead(account.Id);

            //check
            Assert.AreEqual(output, balances.Count);
        }