Don't stress about it: If you were comfortable with the shop the first time, go ahead and confidently do the next one. Of course, if you had a specific question about the shop that you realized while doing it, ask your scheduler.
It is not uncommon for editing to lag several days (or more) behind when you submitted your shop. Sometimes, lots of folks turn surveys in on the same day. Sometimes editors get the flu. Most of our editors are actually human.
Hard work builds character and homework is good for your soul.