Assert the newsletter block does (or does not) show its thank-you text after a sign-up.
Examples
Then the newsletter form should show the submitted confirmation
And the newsletter form should show the submitted confirmation message
But the newsletter form should not show the submitted confirmation
Then the newsletter form should not show the submitted confirmation message
And the newsletter form should show the submitted confirmation
Pattern
Then(/^(?:the )?newsletter form should( not)* show the submitted confirmation(?: message)?$/, …)
Part of @webship-js/squarespace-steps (github.com/webship/squarespace-steps), a step pack for Webship-js 2.0.x.