test: blazor 내부 이동으로 관리자 e2e 안정화

tests/e2e/contact-submit.spec.ts

@@ -1,5 +1,5 @@
 import { expect, test } from '@playwright/test';
-import { findInquiryByName, getAdminToken, loginThroughAdminUi } from './helpers/admin-auth';
+import { findInquiryByName, getAdminToken, loginThroughAdminUi, navigateInBlazor } from './helpers/admin-auth';
 
 const username = process.env.E2E_ADMIN_USERNAME ?? 'admin';
 const password = process.env.E2E_ADMIN_PASSWORD;
@@ -49,7 +49,7 @@ test.describe('contact submit', () => {
     expect(inquiry.message).toContain(message.slice(0, 20));
 
     await loginThroughAdminUi(page, baseUrl, username, password);
-    await page.goto(`${baseUrl}/admin/inquiries`);
+    await navigateInBlazor(page, `${baseUrl}/admin/inquiries`);
     await expect(page.locator('.mud-main-content').getByText('문의 관리').first()).toBeVisible({ timeout: 20_000 });
   });
 });