feat: new api for plate order (get_plate_order_by_state_status)

stateflow/tests/test_step_back_api.py

@@ -5,6 +5,7 @@ from django.test import TestCase
 from rest_framework.test import APIClient
 from rest_framework import status
 from django.contrib.auth import get_user_model
+from django.contrib.contenttypes.models import ContentType
 from stateflow import models
 
 User = get_user_model()
@@ -32,9 +33,12 @@ class StepBackAPITestCase(TestCase):
         models.ProcessNode.objects.create(process=self.process, state=self.state3, order=2)
         
         # 创建业务对象
+        process_ct = ContentType.objects.get_for_model(models.Process)
         self.business_object = models.BusinessObject.objects.create(
             name='测试对象',
-            process=self.process
+            process=self.process,
+            content_type=process_ct,
+            object_id=self.process.id,
         )
     
     def test_step_back_api_success(self):