use @commons

src/server/service/user-notification/index.js

@@ -1,6 +1,6 @@
 const logger = require('@alias/logger')('growi:service:UserNotificationService');
 
-const toArrayFromCsv = require('../../../lib/util/toArrayFromCsv');
+const toArrayFromCsv = require('@commons/util/toArrayFromCsv');
 
 /**
  * service class of UserNotification

src/test/libs/toAttayIfNot.test.js

@@ -1,8 +1,8 @@
-const toArrayFromCsv = require('../../lib/util/toArrayFromCsv');
+const toArrayFromCsv = require('@commons/util/to-array-from-csv');
 
 describe('Slack Util', () => {
 
-  test('post comment method exists', () => {
+  test('post', () => {
     const result = toArrayFromCsv('dev,general');
     expect(result).toStrictEqual(['dev', 'general']);
   });