Open an item of the index in a slide-out editor, by double-clicking it as a person does.
Examples
When I open "Launch day" in a slide-out editor
When I open "About" in a slide-out editor
When we open "Harbour" in a slide-out editor
And I open "Product" in a slide-out editor
When I open "Note 001" in a slide-out editor
Pattern
When(/^(I |we )*open "([^"]*)" in a slide-out editor$/, …)
Part of @webship-js/craft-cms-steps (github.com/webship/craft-cms-steps), a step pack for Webship-js 2.0.x.