Deduplicate test helper
Deduplicate test helper

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