Assert the checkout page shows its form (.w-commerce-commercecheckoutformcontainer).
Examples
Then I should see the checkout form
Then we should see the checkout form
And I should see the checkout form
Then I should not see the checkout form
And we should not see the checkout form
Pattern
Then(/^(I |we )*should( not)* see the checkout form$/, …)
Part of @webship-js/webflow-steps (github.com/webship/webflow-steps), a step pack for Webship-js 2.0.x.