const { getInstance } = require('../setup-crowi'); describe('Slack Util', () => { let crowi; let slackLegacyUtil; beforeEach(async() => { crowi = await getInstance(); slackLegacyUtil = require('~/server/util/slack-legacy')(crowi); }); test('postMessage method exists', () => { expect(slackLegacyUtil.postMessage).toBeInstanceOf(Function); }); });