Definition step deprecated and affected tests modified.

Simey Lameze authored Mar 15, 2017 and Damyon Wiese committed Apr 03, 2017

Also remove few more unnecessary steps that redirects behat to
site home page to actually get to the course.

Part of MDL-55611 epic.

Simey Lameze authored Mar 14, 2017 and Damyon Wiese committed Apr 03, 2017

Part of MDL-55611 epic.

This applies some small changes to proposed behat tests:

- Geting rid of the @javascript tag when it's not needed.
- Adding some missing @_switch_window tags.
- Fixing some scenario names, previously duplicated.
- Fixing some typos and whitespace.