public void SalaryCalcSales()
{
// Sales
// bonusYearPercent = 0.01,
// maxBonusPercent = 0.35,
// firstLevelSubordinariesBonusPercent = 0.003;
IEmployee employee1 = new Employee("NameEmployee1", new DateTime(2017, 3, 3), 1000); // 1030
IEmployee employee2 = new Employee("NameEmployee2", new DateTime(2017, 3, 3), 1000); // 1030
IBoss manager = new Manager("NameManager", new DateTime(2015, 4, 4), 1000); // 1160
manager.SubordinateEmployees.Add(employee1, employee2);
IBoss sales = new Sales("NameSales", new DateTime(2013, 5, 5), 1000);
sales.SubordinateEmployees.Add(manager);
double expected = 1056; // 1000 + (5 years * 0.01 * 1000) + (1030 + 1030 + 1155.2) * 0.003
Assert.That(Math.Round(sales.CalcSalary()), Is.EqualTo(expected));
}