Here is your target.
Follow along with the walkthrough video on Canvas..
Click here to see names of each test
/photos - Create photo form automatically populates owner_id of new photo with id of the signed in user
/photos/[ID] - Update photo form does not display Update photo form when photo does not belong to current user
/photos/[ID] - Update photo form displays Update photo form when photo belongs to current user
/photos/[ID] - Delete this photo button displays Delete this photo button when photo belongs to current user
/photos/[ID] — Add comment form automatically associates comment with signed in user and current photo