What would be the best test to prove your English level? On site I mean, not on line.
I would like a test that proofs my ability independent of my level. For example if you pass a B2 test, but you have such high scores you think, you had better done C1, it is a waste of money. Is there a test that indicates all levels?
I am probably something like B2/C1/C2 but I am not sure, and I am not really wasting my time doing three exams.