during the test? I do most of my testing indoors on a computrainer but use my on the bike power meter for the metrics (I think it's more accurate and has better precision than the computrainer does). I show 10s power and lap avg power during the testing and absolutely watch it, almost froome style.

I also do some testing on a climb that because I'm not particularly good takes me about 22 minutes to get to the top, when i do there, I might glance at the pm but i'm mostly focusing on the road ahead, except for a level off portion (false peak) near the top where I need to really keep the power poured on during a test to achieve best results.