Ouzo\Http\ResponseMapper::getMessage PHP Method

    public static function getMessage($code, $default = '500 Internal Server Error')
    {
        return Arrays::getValue(self::$_messages, $code, $default);
    }

 /**
  * @test
  */
 public function shouldReturnDefaultResponseWhenNotFoundCode()
 {
     //given
     $code = 999;
     //when
     $response = ResponseMapper::getMessage($code);
     //then
     $this->assertEquals('500 Internal Server Error', $response);
 }