Assert which language the language chooser marks as the current one, by the name the site shows.
Examples
Then the active language should be "English"
Then the active language should be "Deutsch"
And the active language should not be "English"
Then the active language should be "Français"
But the active language should not be "Deutsch"
Pattern
Then(/^the active language should( not)* be "([^"]*)"$/, …)
Part of @webship-js/django-cms-steps (github.com/webship/django-cms-steps), a step pack for Webship-js 2.0.x.