public void can_get_active_deductions()
        {
            using (var uow = new NHUnitOfWork()) {
                var employee = Employee.Create(Person.Create("a", "a", "a", "", Gender.MALE, Date.Now), Date.Now);
                var salary   = Salary.Create(employee, MonetaryValue.of("PHP", 15000));
                Deduction.Create(salary, 3, MonetaryValue.of("php", 1000));
                Deduction.Create(salary, 3, MonetaryValue.of("php", 2000));
                Deduction.Create(salary, 3, MonetaryValue.of("php", 3000));
                // Deduction.Create(salary, 3, MonetaryValue.of("php", 0));
                EventBroker.getInstance().Command(new CommandAssociateSalaryToEmployee(salary, employee));

                _employees.Save(employee);
                _salaries.Save(salary);
                uow.Commit();
            }

            using (var uow = new NHUnitOfWork()) {
                var ees = _employees.FetchAllActive();
                var ds  = _salaries.FetchEmployeeActiveDeduction(ees[0]);
                Assert.Equal(3, ds.Count);
            }
        }