Only you can decide that. And you have to be very sure, because it is a one-way journey. Back in 1980, I knew I could not stand to live one more year, much less a lifetime, in the wrong body. Knowing that I would rather die than live that way certainly gave me a perspective, and some serious motivation, to correct the mistakes of Nature. In any event, you have to decide what you are.
Tests are just hints.
You have to understand your own misery, I think.