public void Given_th_employee_is_paid_10_per_hour_when_the_employee_works_40_hours_the_Gross_amount_400()
{
var employee = new Employee()
{
HourRate = 40, TotalWorkedHours = 10
};
IPayroll payrollCaculator = new PayrollCalculator();
var expected = 400;
var actual = payrollCaculator.CalculateGrossIncome(employee);
Assert.Equal(expected, actual);
}
