chore: prohibit unnecessary await (#4586)

tests/kit/utils/load-page.ts

@@ -1,7 +1,6 @@
 import type { Page } from '@playwright/test';
 
 export const coreUrl = 'http://localhost:8080';
-export const prototypeUrl = 'http://localhost:3003';
 
 export async function openHomePage(page: Page) {
   await page.goto(coreUrl);
@@ -11,6 +10,6 @@ export async function openPluginPage(page: Page) {
   await page.goto(`${coreUrl}/_plugin/index.html`);
 }
 
-export async function openPrototypeProviderStatusPage(page: Page) {
-  await page.goto(`${prototypeUrl}/suite/provider-status.html`);
+export async function open404Page(page: Page) {
+  await page.goto(`${coreUrl}/404`);
 }