fix: update toast message extraction and test expectations

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

@@ -35,7 +35,7 @@ test.describe('表单验证测试', () => {
 
     await contactPage.waitForToast();
     const toastMessage = await contactPage.getToastMessage();
-    expect(toastMessage.message).toContain('成功');
+    expect(toastMessage.message).toContain('表单提交成功');
     expect(toastMessage.type).toBe('success');
 
     await contactPage.waitForToastHidden();

test-framework/shared/pages/ContactPage.ts

@@ -39,7 +39,8 @@ export class ContactPage extends BasePage {
   async getToastMessage(): Promise<{ message: string; type: 'success' | 'error' }> {
     const toastElement = await this.page.locator('[data-testid="toast-notification"]');
     if (await toastElement.count() > 0) {
-      const message = await toastElement.textContent() || '';
+      const messageElement = toastElement.locator('p');
+      const message = await messageElement.textContent() || '';
       const type = await toastElement.getAttribute('data-type') as 'success' | 'error';
       return { message, type };
     }