I believe at the moment Jamontoast and Riku9999 are the only two people who can test you. You can find Jamontoast with the same name on Dueling Network and Riku's name on dueling network is n-sain.
[19:36:10] Evil : I'm smexy and I know it
[19:37:02] Eren : you still think that evil
[19:37:06] -Kira- : ur sexy and we know it~
[19:47:26] Katarina : Evil
[19:47:28] Katarina : You're a god