public void GetSalary_LessThenYear_BaseRateAndBonus() { var date = new DateTime(2021, 6, 11); var employeesBonus = (2 * employee.GetSalary(date) + manager.GetSalary(date)) * Salesman.EmployeesBonusRate; var baseRateAndBonus = salesman.BaseRate + employeesBonus; var salary = salesman.GetSalary(date); Assert.AreEqual(baseRateAndBonus, salary); }