/**
  *    Tests to see if the method is a test that should
  *    be run, override default by searching methods that starts with 'it'
  *    is a candidate unless it is the constructor.
  *    @param string $method        Method name to try.
  *    @return boolean              True if test method.
  *    @access protected
  */
 function _isTest($method)
 {
     if (strtolower(substr($method, 0, 2)) == 'it') {
         return !SimpleTestCompatibility::isA($this, strtolower($method));
     }
     return parent::_isTest($method);
 }