I might think that, a truly sentient AI, given access to the whole of human intelligence, and a spoken desire to help and work with humans would instantly pass "the test" by putting forward an unprompted solution to what we may see as an intractable problem.

Imagine this thing, out of the blue, giving us knowledge and insight on how to create some new technology or process that we had never even dreamed possible; Just because it wanted to make us happy and see us succeed.