Fix tests now that we use first_published_at for sorting
Fix tests now that we use first_published_at for sorting

alphagov/whitehall,YOTOV-LIMITED/whitehall,YOTOV-LIMITED/whitehall,hotvulcan/whitehall,hotvulcan/whitehall,ggoral/whitehall,robinwhittleton/whitehall,askl56/whitehall,robinwhittleton/whitehall,hotvulcan/whitehall,YOTOV-LIMITED/whitehall,askl56/whitehall,askl56/whitehall,askl56/whitehall,hotvulcan/whitehall,ggoral/whitehall,YOTOV-LIMITED/whitehall,ggoral/whitehall,alphagov/whitehall,robinwhittleton/whitehall,ggoral/whitehall,alphagov/whitehall,alphagov/whitehall,robinwhittleton/whitehall