A staff user in the staff settings, under the role the settings list them with: Owner, Administrator, Editor, Author or Contributor.
Examples
Then I should see the staff user "Arthur Author" with the role "Author"
Then I should see the staff user "Olivia Owner" with the role "Owner"
Then I should see the staff user "Edith Editor" with the role "Editor"
Then I should not see the staff user "Arthur Author" with the role "Editor"
And I should see the staff user "Connie Contributor" with the role "Contributor"
Pattern
Then(/^(?:I |we )?should( not)? see the staff user "([^"]*)" with the role "([^"]*)"$/, …)
Part of @webship-js/ghost-steps (github.com/webship/ghost-steps), a step pack for Webship-js 2.0.x.