I'm going to give extremely mixed signals to my boyfriend
What led you to want to do that?
I want to see how he behaves towards me when things are ambiguous
You sending mixed signals to your partner is only going to make it more difficult for you two to communicate down the line. Communication is something that needs to be practiced between a couple, and sending mix signals is like faking the practice.
I'm just a little angry that he didn't reply to my texts
It is understandable to be upset when your partner ignores you but it's still wrong to send mixed signals. He won't know what he did wrong if you treat him this way.