public function commitDelegatesToPersistObjectsAndProcessDeletedObjects()
{
$backend = $this->getMockBuilder(Persistence\Generic\Backend\AbstractBackend::class)->setMethods(['persistObjects', 'processDeletedObjects', 'getObjectCountByQuery', 'getObjectDataByQuery', 'getObjectDataByIdentifier', 'removeEntity', 'removeValueObject', 'storeObject', 'isConnected'])->getMock();
$backend->expects($this->once())->method('persistObjects');
$backend->expects($this->once())->method('processDeletedObjects');
$backend->commit();
}