--- /dev/null
+<?php
+
+/**
+ * @file
+ * Test fixture.
+ */
+
+use Drupal\Core\Database\Database;
+
+
+$connection = Database::getConnection();
+
+$config = unserialize($connection->query("SELECT data FROM {config} where name = :name", [':name' => 'core.extension'])->fetchField());
+$config['module']['update_script_test'] = 0;
+$connection->update('config')
+ ->fields(['data' => serialize($config)])
+ ->condition('name', 'core.extension')
+ ->execute();
+
+$connection->insert('key_value')
+ ->fields(['collection' => 'system.schema', 'name' => 'update_script_test', 'value' => serialize(8000)])
+ ->execute();