Assert the comment form is rendered. Matches on the .comment-form class, which is theme-independent — the id is filtered per theme.
Examples
Then I should see the comment form
And we should see a comment form
Then should see the comments form
Then I should not see a comment form
But we should not see the comment form
Pattern
Then(/^(I |we )*should( not)* see (?:a|the) comments? form$/, …)
Part of @webship-js/wordpress-steps (github.com/webship/wordpress-steps), a step pack for Webship-js 2.0.x.