> No, it isn't and I see no way to test for "qualia"
You are verifying the existence of qualia every instant of your existence. It's the most immediately apparent empirical fact conceivable, since it is sensory experience itself, and you are testing its presence by the mere fact of being alive (philosophical zombies [0] notwithstanding).
> Before she left her room, she only knew the objective, physical basis of those subjective qualities, their causes and effects, and various relations of similarity and difference. She had no knowledge of the subjective qualities in themselves. [0]
I suggest you confirm the definitions and senses of terms you criticize before being so dismissive of them.