Assert that the current page is (or is not) a Webflow export/page (has the data-wf-page attribute Webflow stamps on every published <html> tag).
Examples
Then this should be a webflow page
Then this page should be a webflow page
And this should not be a webflow page
Then this should be a webflow page
And this page should be a webflow page
Pattern
Then(/^this( page)? should( not)* be a webflow page$/, …)
Part of @webship-js/webflow-steps (github.com/webship/webflow-steps), a step pack for Webship-js 2.0.x.