Forms of the anthropic principle
The WAP is not a theory of physics. Rather, it is a methodological principle. It is therefore not appropriate to ask if it is testable.
Is anthropic principle wrong?
Unfortunately, the Anthropic Principle has been grossly misinterpreted, and is often misapplied.
What is the final anthropic principle?
Frank Tipler have proposed a final anthropic principle: the universe is structured so that an infinite number of bits of information can be processed by computers to the future of any time. That is, complexity at a level required to constitute life can continue to exist forever.