Eko\FeedBundle\Feed\FeedManager::has PHP Method

    public function has($feed)
    {
        return isset($this->config['feeds'][$feed]);
    }

 /**
  * Check if a fake feed name is not marked as existing
  */
 public function testFeedDoNotExists()
 {
     $this->assertFalse($this->manager->has('fake_feed_name'));
 }