--- /dev/null
+<?php
+
+/**
+ * @file
+ * Contains database additions to drupal-8.bare.standard.php.gz for testing the
+ * upgrade path of rest_update_8201().
+ */
+
+use Drupal\Core\Database\Database;
+
+$connection = Database::getConnection();
+
+// Set the schema version.
+$connection->insert('key_value')
+ ->fields([
+ 'collection' => 'system.schema',
+ 'name' => 'rest',
+ 'value' => 'i:8000;',
+ ])
+ ->execute();
+
+// Update core.extension.
+$extensions = $connection->select('config')
+ ->fields('config', ['data'])
+ ->condition('collection', '')
+ ->condition('name', 'core.extension')
+ ->execute()
+ ->fetchField();
+$extensions = unserialize($extensions);
+$extensions['module']['basic_auth'] = 0;
+$extensions['module']['rest'] = 0;
+$extensions['module']['serialization'] = 0;
+$connection->update('config')
+ ->fields([
+ 'data' => serialize($extensions),
+ ])
+ ->condition('collection', '')
+ ->condition('name', 'core.extension')
+ ->execute();
+
+// Install the rest configuration.
+$config = [
+ 'resources' => [
+ 'entity:node' => [
+ 'GET' => [
+ 'supported_formats' => ['json'],
+ 'supported_auth' => ['basic_auth'],
+ ],
+ ],
+ ],
+ 'link_domain' => NULL,
+];
+$data = $connection->insert('config')
+ ->fields([
+ 'name' => 'rest.settings',
+ 'data' => serialize($config),
+ 'collection' => ''
+ ])
+ ->execute();