Initial Update (#2470)
Initial Update (#2470)

* Update pytest from 3.0.7 to 3.1.0

* Update pytest-variables from 1.5.1 to 1.6.1

* Update pytest-xdist from 1.15.0 to 1.16.0

lmorchard/testpilot,lmorchard/idea-town,lmorchard/idea-town-server,mozilla/idea-town,chuckharmston/testpilot,flodolo/testpilot,flodolo/testpilot,lmorchard/idea-town-server,lmorchard/idea-town,lmorchard/testpilot,flodolo/testpilot,fzzzy/testpilot,mozilla/idea-town-server,mozilla/idea-town-server,fzzzy/testpilot,mozilla/idea-town,chuckharmston/testpilot,lmorchard/testpilot,mozilla/idea-town,meandavejustice/testpilot,lmorchard/idea-town,lmorchard/testpilot,lmorchard/idea-town,meandavejustice/testpilot,meandavejustice/testpilot,meandavejustice/testpilot,lmorchard/idea-town-server,fzzzy/testpilot,mozilla/idea-town-server,flodolo/testpilot,chuckharmston/testpilot,fzzzy/testpilot,mozilla/idea-town-server,lmorchard/idea-town-server,chuckharmston/testpilot,mozilla/idea-town