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/tests/functional/system_console/desktop_landing.spec.ts

@@ -1,5 +1,6 @@
 import {Page} from '@playwright/test';
 import {expect, test} from '@e2e-support/test_fixture';
+import {duration} from '@e2e-support/util';
 
 // Helper function to intercept API request and modify the response
 async function interceptConfigWithLandingPage(page: Page, enabled: boolean) {
@@ -16,9 +17,7 @@ async function interceptConfigWithLandingPage(page: Page, enabled: boolean) {
     });
 }
 
-test('MM-T5640_1 should not see landing page ', async ({pw, pages, page}) => {
-    const {adminClient} = await pw.getAdminClient();
-    const adminConfig = await adminClient.getConfig();
+test('MM-T5640_1 should not see landing page ', async ({pw, page}) => {
     await interceptConfigWithLandingPage(page, false);
 
     // Navigate to your starting URL
@@ -31,25 +30,19 @@ test('MM-T5640_1 should not see landing page ', async ({pw, pages, page}) => {
     expect(page.url()).toContain('/login');
 
     // Verify the login page is visible
-    const loginPage = new pages.LoginPage(page, adminConfig);
-    await loginPage.toBeVisible();
+    await pw.loginPage.toBeVisible();
 });
 
-test('MM-T5640_2 should see landing page', async ({pages, isMobile, page}) => {
+test('MM-T5640_2 should see landing page', async ({pw, page}) => {
     // Navigate to your starting URL
     await page.goto('/');
 
-    await page.evaluate(() => localStorage.clear());
-
-    await page.goto('/');
-
     // Wait until the URL contains '/landing'
-    await page.waitForURL(/.*\/landing.*/);
+    await page.waitForURL(/.*\/landing.*/, {timeout: duration.ten_sec});
 
     // At this point, the URL should contain '/landing'
     expect(page.url()).toContain('/landing');
 
     // Verify the landing page is visible
-    const landingLoginPage = new pages.LandingLoginPage(page, isMobile);
-    await landingLoginPage.toBeVisible();
+    await pw.landingLoginPage.toBeVisible();
 });