No, I'm talking about his role in the testing of humanity...that was less of a pride thing, and more of him just not wanting God to deceive the humans. Lucifer's name means (more or less) the 'light bringer', he wants to enlighten people to the truth, that's his thing. He was already fallen at that point, along with a number of his follower angels, mainly on his bud's (Belial's) advice to go independent.