public function testRollback()
{
$handler = $this->getTransactionHandler();
$this->getDatabaseHandlerMock()->expects($this->once())->method('rollback');
$this->getContentTypeHandlerMock()->expects($this->once())->method('clearCache');
$this->getLanguageHandlerMock()->expects($this->once())->method('clearCache');
$handler->rollback();
}