[popen] restored testing commands, original behaviour
[popen] restored testing commands, original behaviour

Tapjoy/sensu-mirror,javrasya/sensu,upfluence/sensu,portertech/sensu,bf4/sensu,cread/sensu,yonglehou/sensu,roobert/sensu,keymone/sensu,zuazo-forks/sensu,pauloconnor/sensu,miyakawataku/sensu,m4ce/sensu,somic/sensu,withnale/sensu,solarkennedy/sensu,npe9/sensu,sensu/sensu,quodlibetor/sensu,rbramwell/sensu,crewton/sensu