test: Fix History API checks for kb

ref: #605 #602

app/assistance/tests/functional/knowledge_base/test_functional_knowledge_base_history.py

@@ -1,3 +1,4 @@
+from django.contrib.auth.models import User
 from django.test import TestCase
 
 from assistance.models.knowledge_base_history import KnowledgeBase, KnowledgeBaseHistory
@@ -23,17 +24,22 @@ class History(
 
         self.field_name = 'title'
 
+        user = User.objects.create_user(username="test_user_view", password="password")
 
         self.obj = self.model.objects.create(
             organization = self.organization,
             title = self.field_value_original,
-            body = 'sadsadsa',
+            content = 'sadsadsa',
+            responsible_user = user,
+            target_user = user,
         )
 
         self.obj_delete = self.model.objects.create(
             organization = self.organization,
             title = self.field_value_delete,
-            body = 'sadsadsa',
+            content = 'sadsadsa',
+            responsible_user = user,
+            target_user = user,
         )
 
         self.call_the_banners()