Add missing test.
Add missing test.

I noticed that we weren't explicitly testing the use of govspeak when rendering the news article.

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