Overrides \Drupal\entity_test\EntityTestStorageController::baseFieldDefinitions().
Overrides EntityTestStorageController::baseFieldDefinitions
public function baseFieldDefinitions() {
$fields = parent::baseFieldDefinitions();
$fields['revision_id'] = array(
'label' => t('ID'),
'description' => t('The version id of the test entity.'),
'type' => 'integer_field',
'read-only' => TRUE,
);
return $fields;
}