Assert the site feed lists an entry by its title, or does not.
Examples
Then the site feed should list "Hello world!"
And the site feed should list "Sample"
Then the site feed should not list "Privacy Policy"
And the comments feed should not list "Secret"
Then the comments feed should list "WordPress Commenter"
Pattern
Then(/^the (site|comments) feed should( not)* list "([^"]*)"$/, …)
Part of @webship-js/wordpress-steps (github.com/webship/wordpress-steps), a step pack for Webship-js 2.0.x.