refactor: move test utils to package (#3206)

tests/kit/utils/load-page.ts

@@ -0,0 +1,7 @@
+import type { Page } from '@playwright/test';
+
+export const webUrl = 'http://localhost:8080';
+
+export async function openHomePage(page: Page) {
+  await page.goto(webUrl);
+}