Assert a top-level entry (or, with a path "Sales > Orders", an item) is, or is not, in the admin menu. The menu holds only what the role of the user allows.
Examples
Then I should see the "Sales" admin menu
Then I should not see the "Catalog" admin menu
Then I should see the "Sales > Orders" admin menu
And I should not see the "Stores > Configuration" admin menu
Then we should see the "Catalog > Products" admin menu
Pattern
Then(/^(I |we )*should( not)* see the "([^"]*)" admin menu$/, …)
Part of @webship-js/magento-steps (github.com/webship/magento-steps), a step pack for Webship-js 2.0.x.