diff --git a/app/core/tests/unit/test_history/test_unit_history_viewset.py b/app/core/tests/unit/test_history/test_unit_history_viewset.py
index 0f55e782a..faaa70de0 100644
--- a/app/core/tests/unit/test_history/test_unit_history_viewset.py
+++ b/app/core/tests/unit/test_history/test_unit_history_viewset.py
@@ -1,79 +1,78 @@
-# import pytest
+from django.contrib.auth.models import User
+from django.test import Client, TestCase
 
-# from django.contrib.auth.models import User
-# from django.test import Client, TestCase
+from rest_framework.reverse import reverse
 
-# from rest_framework.reverse import reverse
+from access.models import Organization
 
-# from access.models import Organization
+from api.tests.abstract.viewsets import ViewSetModel
 
-# from api.tests.abstract.viewsets import ViewSetModel
+from core.viewsets.history import ViewSet
 
-# from core.viewsets.history import ViewSet
+from itam.models.device import Device
 
-# from itam.models.device import Device
 
 
 
+class ViewsetCommon(
+    ViewSetModel,
+):
 
-# class ViewsetCommon(
-#     ViewSetModel,
-# ):
+    viewset = ViewSet
 
-#     viewset = ViewSet
+    route_name = 'v2:_api_v2_model_history'
 
-#     route_name = 'v2:_api_v2_model_history'
+    @classmethod
+    def setUpTestData(self):
+        """Setup Test
 
-#     @classmethod
-#     def setUpTestData(self):
-#         """Setup Test
+        1. Create an organization
+        3. create super user
+        """
 
-#         1. Create an organization
-#         3. create super user
-#         """
+        organization = Organization.objects.create(name='test_org')
 
-#         organization = Organization.objects.create(name='test_org')
+        self.organization = organization
 
-#         self.organization = organization
+        self.view_user = User.objects.create_user(username="test_view_user", password="password", is_superuser=True)
 
-#         self.view_user = User.objects.create_user(username="test_view_user", password="password", is_superuser=True)
+        device = Device.objects.create(
+            organization = organization,
+            name = 'dev'
+        )
 
-#         device = Device.objects.create(
-#             organization = organization,
-#             name = 'dev'
-#         )
+        self.kwargs = {
+            'app_label': device._meta.app_label,
+            'model_name': device._meta.model_name,
+            'model_id': device.id
+        }
 
-#         self.kwargs = {
-#             'model_class': 'device',
-#             'model_id': device.id
-#         }
 
 
+class HistoryViewsetList(
+    ViewsetCommon,
+    TestCase,
+):
 
-# class HistoryViewsetList(
-#     ViewsetCommon,
-#     TestCase,
-# ):
 
+    @classmethod
+    def setUpTestData(self):
+        """Setup Test
 
-#     @classmethod
-#     def setUpTestData(self):
-#         """Setup Test
+        1. make list request
+        """
 
-#         1. make list request
-#         """
 
+        super().setUpTestData()
 
-#         super().setUpTestData()
 
-
-#         client = Client()
+        client = Client()
         
-#         url = reverse(
-#             self.route_name + '-list',
-#             kwargs = self.kwargs
-#         )
+        url = reverse(
+            self.route_name + '-list',
+            kwargs = self.kwargs
+        )
 
-#         client.force_login(self.view_user)
+        client.force_login(self.view_user)
 
-#         self.http_options_response_list = client.options(url)
+        self.http_options_response_list = client.options(url)