Overrides Drupal\Core\Entity\DatabaseStorageController::create().
array $values: An array of values to set, keyed by property name. A value for the vocabulary ID ('vid') is required.
Overrides DatabaseStorageControllerNG::create
public function create(array $values) {
// Save new terms with no parents by default.
if (empty($values['parent'])) {
$values['parent'] = array(
0,
);
}
$entity = parent::create($values);
return $entity;
}