Custom Attribute no longer available in the TopMenu since Magento 2.1

In a Module I configured my custom attribute redirect_url for categories to be included in the collection using catalog_attributes.xml

This seems to no longer work in Magento 2.1

My module defines a plugin for Magento\Catalog\Helper\Category

public function aroundGetCategoryUrl(\Magento\Catalog\Helper\Category $subject, \Closure $proceed, $category) { if ($category instanceof \Magento\Catalog\Model\Category) { $redirect = $category->getRedirectUrl(); } else { $category = $this->_categoryFactory->create()->setData($category->getData()); $redirect = $category->getRedirectUrl(); } if ($redirect) { return $this->_helper->buildUrl($redirect); } return $proceed($category); } 

I have the following integration test:

/** * @var \Magento\Catalog\Model\Category */ protected $category; /** * @var \Magento\Catalog\Model\ResourceModel\Category\Tree */ protected $tree; protected function setUp() { /** * Create category * @source \Magento\Catalog\Model\Indexer\FlatTest::testCreateCategory */ /** @var \Magento\Catalog\Model\Category $category */ $category = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create( 'Magento\Catalog\Model\Category' ); $category->getResource()->load($category, 2); /** @var \Magento\Catalog\Model\Category $categoryOne */ $categoryOne = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create( 'Magento\Catalog\Model\Category' ); $categoryOne ->setName('Home Category ' . uniqid())->setPath($category->getPath()) ->setIsActive(true) ->setRedirectUrl('/'); $category->getResource()->save($categoryOne); $this->category = $categoryOne; $this->tree = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create( 'Magento\Catalog\Model\ResourceModel\Category\Tree' ); } public function testAttributeInstalled() { /** * @var $attribute \Magento\Catalog\Model\Category\Attribute */ $attribute = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create( '\Magento\Catalog\Model\Category\Attribute' ); $attribute->loadByCode('catalog_category', 'redirect_url'); $this->assertNotNull($attribute->getId()); } public function testRedirectUrlAttributeIsInCollection() { $collection = $this->tree->getCollection()->addAttributeToFilter('entity_id' , $this->category->getId()); $this->assertEquals('/', $collection->getFirstItem()->getRedirectUrl()); } 

Those tests pass, but the following fails:

/** * Check if menu items have the right URL * * @magentoAppArea frontend */ public function testUrlInMenu() { \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get( 'Magento\Framework\View\DesignInterface' )->setDesignTheme( 'Magento/blank' ); /** * @var $layout \Magento\Framework\View\LayoutInterface */ $layout = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get( \Magento\Framework\View\LayoutInterface::class ); $block = $layout->addBlock(\Magento\Theme\Block\Html\Topmenu::class, 'test'); $block->setTemplate('Magento_Theme::html/topmenu.phtml'); $result = $block->toHtml(); $this->assertContains('http://localhost/index.php/foo-bar', $result); }