Reorder travis test runs
Reorder travis test runs

so that the fastest test run first and release the worker.

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