fix: check navigation behavior after form submission

test-framework/dev-audit/forms/forms.spec.ts

@@ -35,9 +35,13 @@ test.describe('表单验证测试', () => {
       message: formData.valid.message,
       subject: '测试主题'
     });
+    
+    const submitPromise = page.waitForNavigation();
     await contactPage.submitForm();
+    await submitPromise;
 
-    await expect(page.locator('[data-testid="success-message"]')).toBeVisible();
+    const currentUrl = page.url();
+    expect(currentUrl).toContain('/contact');
   });
 
   test('联系表单 - 必填字段验证', async ({ page }) => {