Eko\FeedBundle\Tests\Formatter\RSSFormatterTest::testAddCustomChannelField PHP Method

    public function testAddCustomChannelField()
    {
        $feed = $this->manager->get('article');
        $feed->add(new FakeItemInterfaceEntity());
        $feed->addChannelField(new ChannelField('fake_custom_channel', 'My fake value'));
        $output = $feed->render('rss');
        $this->assertContains('<fake_custom_channel>My fake value</fake_custom_channel>', $output);
    }