E2E/Playwright: Instantiate page in pw (#29765)

* instantiate page in pw

* update spec

* fix storage key and require user when logging in via API

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

e2e-tests/playwright/support/browser_context.ts

@@ -7,6 +7,7 @@ import {request, Browser, BrowserContext} from '@playwright/test';
 
 import {UserProfile} from '@mattermost/types/users';
 import testConfig from '@e2e-test.config';
+import pages from '@e2e-support/ui/pages';
 
 export class TestBrowser {
     readonly browser: Browser;
@@ -17,7 +18,7 @@ export class TestBrowser {
         this.context = null;
     }
 
-    async login(user: UserProfile | null) {
+    async login(user: UserProfile) {
         const options = {storageState: ''};
         if (user) {
             // Log in via API request and save user storage
@@ -29,9 +30,14 @@ export class TestBrowser {
         const context = await this.browser.newContext(options);
         const page = await context.newPage();
 
+        const channelsPage = new pages.ChannelsPage(page);
+        const systemConsolePage = new pages.SystemConsolePage(page);
+        const scheduledDraftPage = new pages.ScheduledDraftPage(page);
+        const draftPage = new pages.DraftPage(page);
+
         this.context = context;
 
-        return {context, page};
+        return {context, page, channelsPage, systemConsolePage, scheduledDraftPage, draftPage};
     }
 
     async close() {