Remove || true from most calls. We want integration to stop immediately when failures like this occur unless they are expected. Leave the flags in place for FORCING MESSAGE PICKUP RETRY as that appears to be non-functional at this time, mark it with a comment.

Modify diff output to be cleaner when running partial tests. Modify REKEY to use a larger timeout and update golds

Modify rekey so that the last 2 commands run in parallel and can respond to each others rekey requests