Testing sylius resources with behat - Example Context and Pages

BrandContext.php

<?php

namespace App\Behat\Context\Admin;

use Behat\Behat\Context\Context;

class BrandContext implements Context
{
    public function __construct(
        private readonly CreatePage $createPage,
        private readonly IndexPage $indexPage,
        #[Autowire(service: 'sylius.behat.notification_checker')]
        private readonly NotificationCheckerInterface $notificationChecker
    ) {
    }

    /**
     * @When I want to create a new brand
     */
    public function iWantToCreateANewBrand()
    {
        $this->createPage->open();
    }

    /**
     * @When I specify its name as :name
     */
    public function iSpecifyItsNameAs(string $name)
    {
        $this->createPage->nameIt($name);
    }

    /**
     * @When I add it
     */
    public function iAddIt()
    {
        $this->createPage->add();
    }

    /**
     * @Then I should be notified that it has been successfully created
     */
    public function iShouldBeNotifiedThatItHasBeenSuccessfullyCreated()
    {
        $this->notificationChecker->checkNotification('Brand has been successfully created.', NotificationType::success());
    }

    /**
     * @Then the brand :brand should appear in the registry
     */
    public function theBrandShouldAppearInTheRegistry(string $brand)
    {
        $this->indexPage->open();

        Assert::true($this->indexPage->isSingleResourceOnPage(['name' => $brand]));
    
    }
}

brands.feature

@managing_brands
Feature: Managing brands
    In order to configure my store
    As a store owner
    I want to be able to manage brands

    Background:
        Given the store is available in "English (United States)"
        And I am logged in as an administrator

    @ui
    Scenario: Adding a new brand
        When I want to create a new brand
        And I specify its name as "Nike"
        And I add it
        Then I should be notified that it has been successfully created
        And the brand "nike" should appear in the registry

CreatePage.php

<?php

namespace App\Behat\Page\Admin\Brand;

use Sylius\Behat\Page\Admin\Crud\CreatePage as BaseCreatePage;

final class CreatePage extends BaseCreatePage
{
    public function nameIt(string $name): void
    {
        $this->getDocument()->fillField('app_brand_name', $name);
    }

    public function add()
    {
        $this->getDocument()->pressButton('Create');
    }
}

IndexPage.php

<?php

namespace App\Behat\Page\Admin\Brand;

use Sylius\Behat\Page\Admin\Crud\IndexPage as BaseIndexPage;

class IndexPage extends BaseIndexPage {}

services_test.yaml

services:
    App\Behat\Page\Admin\Brand\CreatePage:
        parent: sylius.behat.page.admin.crud.create
        public: false
        arguments:
            - "app_admin_brand.brand_create" # This is the route of the page

    App\Behat\Page\Admin\Brand\IndexPage:
        parent: sylius.behat.page.admin.crud.index
        public: false
        arguments:
            - "app_admin_brand.brand_index"