About a half hour from the end of last test, I decided I'd give that pesky Rook Egg quest one more try (I believe I shall make my name as a player who is capable of everything BUT the Rook Egg). I clicked on it and... stayed in my garden. So I tried to click on it again and was told I was already doing the quest.
I looked around my garden for rook eggs. No rook eggs in my garden. Hmm... that's probably a good thing. But not being able to start the quest and having the game think I was in the quest - definitely a bug.