Anything can happen, man, but I'll tell you something I've learned. It may seem like something is a certain way in the short run, but in the long run, it typically isn't.
I only say what I've seen myself. I was stubborn about having a betta, mollies tetras and cories together. I said it was fine, because for a few weeks everything was fine. Obviously it blew up a few weeks later.
At least yours are all tetras, and you're probably not stubborn like I was lol. My only point is it is good to go with what works historically. If you do try something unorthodox, make sure you document it all!
After all, a common phrase here is "Pics or it didn't happen!"
Best of luck and good choice on the cories
MABJ's iDevice used for this message :p