✅ test(orders): 优化订单测试用例数据

- 移除乘客信息中的isDefault字段，避免不必要的测试数据依赖
- 简化测试用例结构，提高测试代码可读性

web/tests/integration/server/orders.integration.test.ts

@@ -425,15 +425,13 @@ describe('用户端订单API集成测试', () => {
           name: testPassenger.name,
           idType: testPassenger.idType,
           idNumber: testPassenger.idNumber,
-          phone: testPassenger.phone,
-          isDefault: testPassenger.isDefault
+          phone: testPassenger.phone
         },
         {
           name: '新乘客',
           idType: 'PASSPORT',
           idNumber: 'E12345678',
-          phone: '13987654321',
-          isDefault: false
+          phone: '13987654321'
         }
       ];