Sign in to the shop as a customer of the registry (worldParameters.customers in cucumber.js), by its handle.
Examples
Given I am signed in to the shop as "customer"
Given we are signed in to the shop as "customer"
Given I am signed in to the shop as "shopper"
And I am signed in to the shop as "customer"
Given signed in to the shop as "shopper"
Pattern
Given(/^(I am |we are )?signed in to the shop as "([^"]*)"$/, …)
Part of @webship-js/prestashop-steps (github.com/webship/prestashop-steps), a step pack for Webship-js 2.0.x.