I really need parenting help/advice - Part 2?

As some of you may know, I am trying to figure out the best way to parent my “strong-willed” daughter. Consistency and consequences are the main things, according to books I have read and people who responded to my original question.
Well, She has caught on and is working me hard.

Earlier today I conversationally said, “You are testing daddy and me to see how far you can push us before we get upset, aren’t you? It is fun. It is interesting. Right?” She gave me this wow-you-are-so-right-but-I-will-never-admit-it smile/smirk and I swear her eyes were dancing.

Later tonight she asked, “What would the consequence for that be? Would it be a really bad one or just a sort of bad one? Because if it is just sort of bad, that might be okay.”

What do I do with that?!