/**
* {@inheritDoc}
*/
public function load(ObjectManager $manager)
{
$category = new Category();
$category->setName('First Category');
$manager->persist($category);
$manager->flush();
$this->addReference('first-category', $category);
$category = new Category();
$category->setName('Second Category');
$manager->persist($category);
$manager->flush();
}
