Follow an item of the admin bar, for example "Edit Post".
Examples
When I click "Edit Post" in the admin bar
When we click "Dashboard" in the admin bar
And I click "Visit Site" in the admin bar
When I click "Edit Page" in the admin bar
And we click "Edit Site" in the admin bar
Pattern
When(/^(I |we )*click "([^"]*)" in the admin bar$/, …)
Part of @webship-js/wordpress-steps (github.com/webship/wordpress-steps), a step pack for Webship-js 2.0.x.