public function testPrepareSortableFieldsByCategory() { /** @var $category \Magento\Catalog\Model\Category */ $category = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create('Magento\\Catalog\\Model\\Category'); $category->setDefaultSortBy('name'); $this->_block->prepareSortableFieldsByCategory($category); $this->assertEquals('name', $this->_block->getSortBy()); }