Assert the form shows, or does not show, the chatter: the thread of messages, notes and activities of the record (.o-mail-Chatter).
Examples
Then I should see the chatter
And I should not see the chatter
Then we should see the chatter
And I should see the chatter of the record
Then we should not see the chatter of the record
Pattern
Then(/^(I |we )*should( not)* see the chatter(?: of the record)?$/, …)
Part of @webship-js/odoo-steps (github.com/webship/odoo-steps), a step pack for Webship-js 2.0.x.