Assert the blog post does (or does not) name an author, as a link to the author's listing (/<blog>/author/<author>).
Examples
Then the blog post should be written by "Jane Doe"
And the blog post should be written by "John Roe"
Then the blog should be written by "Jane Doe"
But the blog post should not be written by "John Roe"
Then blog post should be written by "Jane Doe"
Pattern
Then(/^(?:the )?blog(?: post)? should( not)* be written by "([^"]*)"$/, …)
Part of @webship-js/hubspot-cms-steps (github.com/webship/hubspot-cms-steps), a step pack for Webship-js 2.0.x.