Assert the product of the page is, or is not, out of stock: Webflow shows .w-commerce-commerceaddtocartoutofstock in place of the Add to cart form.
Examples
Then the product should be out of stock
Then the product should not be out of stock
And the product should be out of stock
Then the product should not be out of stock
And the product should not be out of stock
Pattern
Then(/^the product should( not)* be out of stock$/, …)
Part of @webship-js/webflow-steps (github.com/webship/webflow-steps), a step pack for Webship-js 2.0.x.