use Xenial and set sudo: required, may fix issues with mocha-chrome
use Xenial and set sudo: required, may fix issues with mocha-chrome

onaio/kpi,kobotoolbox/kpi,onaio/kpi,kobotoolbox/kpi,kobotoolbox/kpi,onaio/kpi,kobotoolbox/kpi,kobotoolbox/kpi,onaio/kpi