code: public function paintGroupEnd($test_name)
      {
          $numberOfReporters = count($this->reporters);
          for ($i = 0; $i < $numberOfReporters; $i++) {
              $this->reporters[$i]->paintGroupEnd($test_name);
          }
      }
docs: Paints the end of a group test.
  
  @param string $test_name     Name of test or other label.