# Instructions

- Following Playwright test failed.
- Explain why, be concise, respect Playwright best practices.
- Provide a snippet of code with the fix, if possible.

# Test info

- Name: tenant-isolation.spec.ts >> 多租户隔离 >> 顶部导航栏显示用户信息
- Location: e2e\tenant-isolation.spec.ts:19:3

# Error details

```
Error: expect(locator).toBeVisible() failed

Locator: locator('.ant-layout-header').locator('text=系统管理员')
Expected: visible
Timeout: 5000ms
Error: element(s) not found

Call log:
  - Expect "toBeVisible" with timeout 5000ms
  - waiting for locator('.ant-layout-header').locator('text=系统管理员')

```

# Page snapshot

```yaml
- generic [ref=e2]:
  - link "跳转到主要内容" [ref=e3] [cursor=pointer]:
    - /url: "#root"
  - generic [ref=e4]:
    - generic [ref=e8]:
      - img "safety-certificate" [ref=e10]:
        - img [ref=e11]
      - heading "ERP Platform" [level=1] [ref=e13]
      - paragraph [ref=e14]: 新一代模块化企业资源管理平台
      - paragraph [ref=e15]: 身份权限 · 工作流引擎 · 消息中心 · 系统配置
      - generic [ref=e16]:
        - generic [ref=e17]:
          - generic [ref=e18]: SaaS
          - generic [ref=e19]: 多租户架构
        - generic [ref=e20]:
          - generic [ref=e21]: 可插拔
          - generic [ref=e22]: 模块化设计
        - generic [ref=e23]:
          - generic [ref=e24]: 可扩展
          - generic [ref=e25]: 事件驱动
    - main [ref=e26]:
      - generic [ref=e27]:
        - heading "欢迎回来" [level=2] [ref=e28]
        - paragraph [ref=e29]: 请登录您的账户以继续
        - separator [ref=e30]
        - generic [ref=e31]:
          - generic [ref=e37]:
            - img "user" [ref=e39]:
              - img [ref=e40]
            - textbox "用户名" [ref=e42]
          - generic [ref=e48]:
            - img "lock" [ref=e50]:
              - img [ref=e51]
            - textbox "密码" [ref=e53]
            - img "eye-invisible" [ref=e55] [cursor=pointer]:
              - img [ref=e56]
          - button "登 录" [ref=e64] [cursor=pointer]:
            - generic [ref=e65]: 登 录
        - paragraph [ref=e67]: ERP Platform v0.1.0 · Powered by Rust + React
```

# Test source

```ts
  1  | import { test, expect } from '@playwright/test';
  2  | 
  3  | test.describe('多租户隔离', () => {
  4  |   test('侧边栏按模块分组显示', async ({ page }) => {
  5  |     await page.goto('/#/');
  6  | 
  7  |     // 验证侧边栏基础模块分组
  8  |     const sidebar = page.locator('.ant-layout-sider');
  9  |     await expect(sidebar.locator('text=基础模块')).toBeVisible();
  10 |     await expect(sidebar.locator('text=业务模块')).toBeVisible();
  11 |     await expect(sidebar.locator('text=系统')).toBeVisible();
  12 | 
  13 |     // 验证关键菜单项存在
  14 |     await expect(sidebar.locator('text=工作台')).toBeVisible();
  15 |     await expect(sidebar.locator('text=用户管理')).toBeVisible();
  16 |     await expect(sidebar.locator('text=插件管理')).toBeVisible();
  17 |   });
  18 | 
  19 |   test('顶部导航栏显示用户信息', async ({ page }) => {
  20 |     await page.goto('/#/');
  21 | 
  22 |     // 验证顶部导航栏元素
  23 |     const header = page.locator('.ant-layout-header');
> 24 |     await expect(header.locator('text=系统管理员')).toBeVisible();
     |                                                ^ Error: expect(locator).toBeVisible() failed
  25 |   });
  26 | 
  27 |   test('页面间导航正常工作', async ({ page }) => {
  28 |     await page.goto('/#/');
  29 | 
  30 |     // 点击用户管理
  31 |     await page.locator('.ant-layout-sider').locator('text=用户管理').click();
  32 |     await expect(page).toHaveURL(/#\/users/);
  33 | 
  34 |     // 点击工作台返回
  35 |     await page.locator('.ant-layout-sider').locator('text=工作台').click();
  36 |     await expect(page).toHaveURL(/#\/$/);
  37 |   });
  38 | });
  39 | 
```