I had committed to the selenium proposal, which was recently merged into a more general testing proposal. Without clarifying my wishes, my commitment was transferred to the new proposal. I actually would not commit to the more general proposal for various reasons, but because it immediately went into beta, I don't think I can withdraw my commitment.
I don't think people's intentions should be read into in this way. If you want to merge the proposals, that's fine. You then need to ensure everyone commits to the new proposal, not take it for granted that they will.