/**
  * @test
  * @dataProvider isCompletedDataProvider
  * @param array $maxScore
  * @param array $answers
  * @param int $expected
  */
 public function isCompletedWorks($maxScore, $answers, $expected)
 {
     $exercise = new MultipleChoiceSameAnswerExercise();
     $exercise->setMaxscore($maxScore);
     $this->assertSame($expected, $exercise->isCompleted($answers));
 }