fix(api): Grant remaining perks when canceling an Amazon subscription

* Add tests for payments lib
* Add placeholder it blocks to be filled in

closes #7660
closes #4840

website/server/models/user/schema.js

@@ -523,4 +523,4 @@ let schema = new Schema({
   minimize: false, // So empty objects are returned
 });
 
-module.exports = schema;
+module.exports = schema;