Log in as a user with an editor role

blueprint.json

{
  "landingPage": "/wp-admin/",
  "steps": [
    {
      "step": "runPHP",
      "code": "<?php require '/wordpress/wp-load.php'; $user_id = wp_create_user('myuser', 'mypass', 'myuser@localhost'); (new WP_User($user_id))->set_role('editor');"
    },
    {
      "step": "login",
      "username": "myuser",
      "password": "mypass"
    }
  ]
}