Update pytest from 4.4.2 to 4.6.1
Update pytest from 4.4.2 to 4.6.1
mozilla/olympia,psiinon/addons-server,mozilla/addons-server,psiinon/addons-server,eviljeff/olympia,mozilla/addons-server,diox/olympia,bqbn/addons-server,psiinon/addons-server,eviljeff/olympia,bqbn/addons-server,mozilla/olympia,diox/olympia,mozilla/olympia,diox/olympia,mozilla/olympia,wagnerand/addons-server,diox/olympia,psiinon/addons-server,bqbn/addons-server,eviljeff/olympia,eviljeff/olympia,bqbn/addons-server,wagnerand/addons-server,mozilla/addons-server,mozilla/addons-server,wagnerand/addons-server,wagnerand/addons-server