public void should_not_get_discount_given_quantity_is_less_than_100()
 {
     var example2 = new ReplaceParameterwithMethodExample2();
     var price = example2.GetPrice(80, 10);
     Assert.Equal(800, price);
 }
 public void should_get_ninty_percentage_discount_given_quantity_is_over_100()
 {
     var example2 = new ReplaceParameterwithMethodExample2();
     var price = example2.GetPrice(200, 10);
     Assert.Equal(1800, price);
 }