createRootCategoryData example

protected function setUp(): void
    {
        if (!$this->getContainer()->has(ProductPageSeoUrlRoute::class)) {
            static::markTestSkipped('NEXT-16799: Sitemap module has a dependency on storefront routes');
        }

        parent::setUp();

        $this->categorySalesChannelRepository = $this->getContainer()->get('sales_channel.category.repository');
        $this->seoUrlSalesChannelRepository = $this->getContainer()->get('sales_channel.seo_url.repository');

        $navigationCategoryId = $this->createRootCategoryData();

        $this->salesChannelContext = $this->createStorefrontSalesChannelContext(
            Uuid::randomHex(),
            'test-category-sitemap',
            Defaults::LANGUAGE_SYSTEM,
            [],
            $navigationCategoryId
        );

        $this->createCategoryTree($navigationCategoryId);
    }