private function printTestdox(PHPUnit_Framework_Test $test, $char)
 {
     if ($test instanceof Zoetrope_SeleniumTestCase) {
         /* @var $test Zoetrope_SeleniumTestCase */
         $test_name = $test->getNameHumanReadable();
     } else {
         $test_name = 'Unknown test in ' . get_class($test);
     }
     echo '[' . $char . '] ' . $test_name . chr(10);
 }