/**
  * @covers AppBundle\Entity\Article::__construct
  * @covers AppBundle\Entity\Article::__toArray
  */
 public function test__construct()
 {
     $testData = ['userName' => 'some user name', 'comment' => 'sample comment'];
     $article = new Article('some title', 'some description');
     $comment = new Comment($article, $testData['userName'], $testData['comment']);
     $commentArray = $comment->__toArray();
     $this->assertEquals($testData['userName'], $commentArray['userName']);
     $this->assertEquals($testData['comment'], $commentArray['comment']);
 }