Confirm the open checkout step and go to the next one (its "Continue" button), then wait for the next step to open. Fails with what the browser or the shop said when the step refuses to continue.
Examples
When I continue the checkout
When we continue the checkout
And I continue the checkout
Then I continue the checkout
When continue the checkout
Pattern
When(/^(I |we )*continue the checkout$/, …)
Part of @webship-js/prestashop-steps (github.com/webship/prestashop-steps), a step pack for Webship-js 2.0.x.