protected function _removeFixtures()
 {
     if ($this->_customerRecords) {
         Sales_Controller_Customer::getInstance()->delete($this->_customerRecords->getId());
     }
     if ($this->_contactRecords) {
         $this->_contactController->delete($this->_contactRecords->getId());
     }
     if ($this->_addressRecords) {
         $this->_addressController->delete($this->_addressRecords->getId());
     }
     if ($this->_contractRecords) {
         Sales_Controller_Contract::getInstance()->delete($this->_contractRecords->getId());
     }
     $paController = Sales_Controller_ProductAggregate::getInstance();
     $paController->deleteByFilter(new Sales_Model_ProductAggregateFilter(array()));
     $this->_invoiceController = Sales_Controller_Invoice::getInstance();
     $this->_invoiceController->deleteByFilter(new Sales_Model_InvoiceFilter(array()));
 }