Submit the membership form with its main button ("Continue", "Sign up").
Examples
When I submit the membership form
When we submit the membership form
And I submit the membership form
Then I submit the membership form
When submit the membership form
Pattern
When(/^(?:I |we )?submit the membership form$/, …)
Part of @webship-js/ghost-steps (github.com/webship/ghost-steps), a step pack for Webship-js 2.0.x.