/**
  * 
  */
 public function testOneDbRollback()
 {
     $db = Zend_Registry::get('dbAdapter');
     $this->_createDbTestTable($db);
     $transactionId = $this->_instance->startTransaction($db);
     $db->insert($this->_testTableName, array('Column1' => $transactionId));
     $this->_instance->rollBack();
     $columns = $db->fetchAll("SELECT * FROM " . $this->_testTableName . " WHERE " . $db->quoteInto($db->quoteIdentifier('Column1') . ' = ?', $transactionId) . ";");
     foreach ($columns as $column) {
         $this->assertNotEquals($transactionId, $column['Column1'], 'RollBack failed, data was inserted anyway');
     }
 }