public function testFilter()
{
$body_component = new Title('Example Title', null, $this->settings, $this->styles, $this->layouts);
add_filter('apple_news_title_json', function ($json) {
$json['textStyle'] = 'fancy-title';
return $json;
});
$this->assertEquals(array('role' => 'title', 'text' => 'Example Title', 'textStyle' => 'fancy-title', 'layout' => 'title-layout'), $body_component->to_array());
}