chore: prohibit unnecessary await (#4586)

tests/affine-local/e2e/exception-page.spec.ts

@@ -1,8 +1,9 @@
 import { test } from '@affine-test/kit/playwright';
+import { open404Page } from '@affine-test/kit/utils/load-page';
 import { expect } from '@playwright/test';
 
 test('visit 404 page', async ({ page }) => {
-  await page.goto('http://localhost:8080/404');
+  await open404Page(page);
   const notFoundTip = page.getByTestId('not-found');
   await expect(notFoundTip).toBeVisible();
 });