Rename occurrences of "document" to "edition" in tests.
Rename occurrences of "document" to "edition" in tests.

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