Extract local variables to improve test readability.
Extract local variables to improve test readability.

I found the invocation of url helper methods within string interpolation
a bit hard to read.

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