public void InvalidCandidate_ReturnFalse(string candidate)
{
var sut = new CreditCardSpecification();
var result = sut.IsSatisfiedBy(candidate);
Assert.False(result);
}
public void InvalidCandidate_ReturnExpectedResultObject(string candidate, SpecificationResult expected)
{
var sut = new CreditCardSpecification();
var overall = sut.IsSatisfiedBy(candidate, out var result);
Assert.False(overall);
Assert.Equal(expected, result, new SpecificationResultComparer(candidate));
}