test: move playwright test suite to top level (#2113)

tests/parallels/layout.spec.ts

@@ -1,8 +1,8 @@
+import { test } from '@affine-test/kit/playwright';
 import { expect } from '@playwright/test';
 
 import { openHomePage } from '../libs/load-page';
 import { waitMarkdownImported } from '../libs/page-logic';
-import { test } from '../libs/playwright';
 
 test('Collapse Sidebar', async ({ page }) => {
   await openHomePage(page);