tests: force map to be evaluated
tests: force map to be evaluated

map() is lazy on Python 3 -- we need it to be eagerly evaluated.

dhruvsinghal/watchman,facebook/watchman,nodakai/watchman,dhruvsinghal/watchman,wez/watchman,nodakai/watchman,kwlzn/watchman,dhruvsinghal/watchman,facebook/watchman,facebook/watchman,facebook/watchman,kwlzn/watchman,wez/watchman,nodakai/watchman,dhruvsinghal/watchman,dhruvsinghal/watchman,nodakai/watchman,kwlzn/watchman,wez/watchman,facebook/watchman,kwlzn/watchman,dhruvsinghal/watchman,dhruvsinghal/watchman,nodakai/watchman,nodakai/watchman,nodakai/watchman,kwlzn/watchman,wez/watchman,wez/watchman,facebook/watchman,wez/watchman,dhruvsinghal/watchman,facebook/watchman,wez/watchman,nodakai/watchman,wez/watchman,kwlzn/watchman,facebook/watchman,facebook/watchman,kwlzn/watchman,nodakai/watchman,wez/watchman