public void CanPurchase_CreditLessThan1_ReturnsFalse()
{
FakeTestingValidator fakeValidator
= makeFakeValidator(true);
PersonLogicBTestable logic =
makeLogicWithValidator(fakeValidator);
Person p = makePersonWithPurchasePossible();
p.CreditOnFile = 0;
//test
bool canPurchase = logic.CanPurchase(p);
Assert.IsFalse(canPurchase);
}