Create a category of the articles through the administrator form, then Save & Close.
Examples
When I create a category titled "Review category"
When we create a category titled "Review reports"
And I create a category titled "Review archive"
When create a category titled "Review news"
And we create a category titled "Review drafts"
Pattern
When(/^(I |we )*create a category titled "([^"]*)?"$/, …)
Part of @webship-js/joomla-steps (github.com/webship/joomla-steps), a step pack for Webship-js 2.0.x.