Scheduled weekly dependency update for week 10 (#4535)
Scheduled weekly dependency update for week 10 (#4535)

* Update pytest from 3.4.1 to 3.4.2

* Update selenium from 3.10.0 to 3.11.0

aviarypl/mozilla-l10n-addons-frontend,aviarypl/mozilla-l10n-addons-frontend,kumar303/addons-frontend,tsl143/addons-frontend,mozilla/addons-frontend,kumar303/addons-frontend,kumar303/addons-frontend,mozilla/addons-frontend,mozilla/addons-frontend,mozilla/addons-frontend,tsl143/addons-frontend,aviarypl/mozilla-l10n-addons-frontend,aviarypl/mozilla-l10n-addons-frontend,kumar303/addons-frontend,tsl143/addons-frontend,tsl143/addons-frontend