public function testForm()
 {
     $session = new CrawlerSession(new Crawler());
     $session->open('/blog/next-post');
     $session->setField('name', 'My name')->setField('message', 'My comment')->setFieldFile('attachment', __DIR__ . '/../../tests/module/icon1.png')->clickButton('btn');
     $session->get('div:text("Comments")')->with(function ($comment) {
         $this->assertCount(1, $comment->getArray('ul > li'));
         $this->assertTrue($comment->get('img')->isVisible());
         $this->assertEquals('My name', $comment->get('span')->getText());
         $this->assertEquals('My comment', $comment->get('p')->getText());
     });
 }