public void ComputeForContractualStaff_ShouldCalculate(double daysWorked, decimal expected) { // Arrange var employeeType = new EmployeeType { Amount = 500.00m, HasTax = false }; var sc = new SalaryCalculator(null); // Act decimal salary = sc.ComputeForContractualStaff(employeeType, daysWorked, "May").Data.Salary; // Assert Assert.Equal(expected, salary); }