Scheduled weekly dependency update for week 37 (#926)
Scheduled weekly dependency update for week 37 (#926)

* Update selenium from 3.13.0 to 3.14.0

* Update pypom from 2.0.0 to 2.1.0

* Update pytest from 3.6.3 to 3.8.0

* Update pytest-selenium from 1.13.0 to 1.14.0

* Update pytest-xdist from 1.22.2 to 1.23.0

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