Extract host names into methods for clarity.
Extract host names into methods for clarity.

The actual value of the host names is not important, it's their purpose
that is important in the tests.

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