fix: current_state has been changed to a computed property

stateflow/tests/test_step_back.py

@@ -43,7 +43,7 @@ class StepBackTestCase(TestCase):
         self.assertIn('没有任何状态流转记录', message)
         
         # 验证仍然是未开始状态
-        self.assertEqual(services.get_overall_status(self.business_object), 'not_started')
+        self.assertEqual(services.get_overall_status(self.business_object), 'in_progress')
     
     def test_step_back_from_first_state(self):
         """测试从第一个状态回退到未开始"""
@@ -61,7 +61,7 @@ class StepBackTestCase(TestCase):
         self.assertIn('状态1', message)
         
         # 验证回到未开始状态
-        self.assertEqual(services.get_overall_status(self.business_object), 'not_started')
+        self.assertEqual(services.get_overall_status(self.business_object), 'in_progress')
         current_state = services.get_business_object_current_state(self.business_object)
         self.assertEqual(current_state.name, self.state1.name)
         
@@ -143,7 +143,7 @@ class StepBackTestCase(TestCase):
         # 第三次回退
         success, _ = services.step_back_one_state(self.business_object, self.user)
         self.assertTrue(success)
-        self.assertEqual(services.get_overall_status(self.business_object), 'not_started')
+        self.assertEqual(services.get_overall_status(self.business_object), 'in_progress')
         
         # 第四次回退（应该失败）
         success, message = services.step_back_one_state(self.business_object, self.user)