feat: Added test for back and forward in history menu (#1965)

e2e/specs/menu_bar/history_menu.test.js

@@ -0,0 +1,50 @@
+// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+'use strict';
+
+const fs = require('fs');
+
+const env = require('../../modules/environment');
+const {asyncSleep} = require('../../modules/utils');
+
+describe('history_menu', function desc() {
+    this.timeout(30000);
+
+    const config = env.demoMattermostConfig;
+
+    beforeEach(async () => {
+        env.cleanDataDir();
+        env.createTestUserDataDir();
+        env.cleanTestConfig();
+        fs.writeFileSync(env.configFilePath, JSON.stringify(config));
+        await asyncSleep(1000);
+        this.app = await env.getApp();
+        this.serverMap = await env.getServerMap(this.app);
+    });
+
+    afterEach(async () => {
+        if (this.app) {
+            await this.app.close();
+        }
+    });
+
+    it('Click back and forward from history', async () => {
+        const loadingScreen = this.app.windows().find((window) => window.url().includes('loadingScreen'));
+        await loadingScreen.waitForSelector('.LoadingScreen', {state: 'hidden'});
+        const firstServer = this.serverMap[`${config.teams[0].name}___TAB_MESSAGING`].win;
+        await env.loginToMattermost(firstServer);
+        await firstServer.waitForSelector('#sidebarItem_suscipit-4');
+
+        // click on sint channel
+        await firstServer.click('#sidebarItem_suscipit-4');
+
+        // click on town square channel
+        await firstServer.click('#sidebarItem_town-square');
+        await firstServer.locator('[aria-label="Back"]').click();
+        let channelHeaderText = await firstServer.$eval('#channelHeaderTitle', (el) => el.firstChild.innerHTML);
+        channelHeaderText.should.equal('sint');
+        await firstServer.locator('[aria-label="Forward"]').click();
+        channelHeaderText = await firstServer.$eval('#channelHeaderTitle', (el) => el.firstChild.innerHTML);
+        channelHeaderText.should.equal('Town Square');
+    });
+});