void EmployeeWithAnANameDependentShouldGetADiscount()
 {
     var dependents = new[] { new Person("A", "Discount"), new Person("Not", "Discounted"), new Person("Boom", "Boom"),  };
     var employee = new Employee("Some", "Person", dependents);
     var cost = calculator.CostOfBenefits(employee);
     Assert.Equal((decimal) (1000 + 500 + 500 + 500 * .9), cost);
 }
 void EmployeesWithDependentsShouldBeChargedMore()
 {
     var dependents = new[] {new Person("Bill", "Gates"), new Person("Roger", "Waters") };
     var employee = new Employee("Jack", "theRipper", dependents);
     var cost = calculator.CostOfBenefits(employee);
     Assert.Equal(1000 + 500 * 2, cost);
 }