test: 修复测试用例并提升测试覆盖率

- 修复 User Journey 测试中的菜单导航和登出问题
- 更新 vitest 配置以包含 role-based-tests
- 修复 role-auth-manager 测试中的 mock 问题
- 测试通过率从 70% 提升到 100%

novalon-manage-web/src/role-based-tests/shared/__tests__/role-auth-manager.test.ts

@@ -50,7 +50,8 @@ describe('RoleAuthManager', () => {
   it('should throw error on authentication failure', async () => {
     (global.fetch as any).mockResolvedValueOnce({
       ok: false,
-      statusText: 'Unauthorized'
+      statusText: 'Unauthorized',
+      text: async () => 'Invalid credentials'
     });
 
     await expect(RoleAuthManager.getRoleToken('admin')).rejects.toThrow('Authentication failed');