diff --git a/api/v2/models/schemas/schema_base.py b/api/v2/models/schemas/schema_base.py
index d232103..cd9a2cd 100644
--- a/api/v2/models/schemas/schema_base.py
+++ b/api/v2/models/schemas/schema_base.py
@@ -1,20 +1,20 @@
 from marshmallow import ValidationError
 
 
-class SchemaBase():
+class SchemaBase:
     def validate_post(self, body):
-        if '_id' in body:
-            return False, 'Id must not be sent'
+        if "_id" in body:
+            return False, "Id must not be sent"
 
-        if 'updated_at' in body:
-            return False, 'Updated must not be sent'
+        if "updated_at" in body:
+            return False, "Updated must not be sent"
 
-        if 'deleted_at' in body:
-            return False, 'Deleted must not be sent'
+        if "deleted_at" in body:
+            return False, "Deleted must not be sent"
 
         try:
             self.load(body)
         except ValidationError as err:
             return False, err.messages
 
-        return True, 'OK'
+        return True, "OK"
diff --git a/tests/v2/mocks/mock_service_orders.py b/tests/v2/mocks/mock_service_orders.py
index 01cdbc2..0ad3b74 100644
--- a/tests/v2/mocks/mock_service_orders.py
+++ b/tests/v2/mocks/mock_service_orders.py
@@ -1,5 +1,11 @@
 mock_service_orders = {
     'service_order_with_id': {
-        '_id': '123'
+        '_id': 'xxxxx'
+    },
+    'service_order_with_updated': {
+        'updated_at': 'xxxxx'
+    },
+    'service_order_with_deleted': {
+        'deleted_at': 'xxxxx'
     }
 }
diff --git a/tests/v2/models/__init__.py b/tests/v2/models/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/v2/models/schemas/__init__.py b/tests/v2/models/schemas/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/v2/models/schemas/test_service_orders_schema.py b/tests/v2/models/schemas/test_service_orders_schema.py
index 4c231c2..be13604 100644
--- a/tests/v2/models/schemas/test_service_orders_schema.py
+++ b/tests/v2/models/schemas/test_service_orders_schema.py
@@ -12,21 +12,70 @@ def setUp(self):
         self.client = app.test_client()
 
     def test_body_with_id_returns_error(self):
-        erro_schema = [{'0': 'Id must not be sent'}]
+        erro_schema = (False, "Id must not be sent")
         when(ServiceOrderSchema).validate_post(
-            mock_service_orders['service_order_with_id']
+            mock_service_orders["service_order_with_id"]
         ).thenReturn(erro_schema)
 
-        payload = json.dumps({'content': [mock_service_orders['service_order_with_id']]})
+        payload = json.dumps(
+            {"content": [mock_service_orders["service_order_with_id"]]}
+        )
 
-        # response = self.client.post(
-        #     '/v2/service_orders',
-        #     headers={"Content-Type": "application/json"},
-        #     data=payload)
+        response = self.client.post(
+            "/v2/service_orders",
+            headers={"Content-Type": "application/json"},
+            data=payload,
+        )
 
-        # error = response.json
-        # # self.assertEqual(response.status_code, HTTPStatus.BAD_REQUEST)
-        # self.assertIn('error', error)
-        # self.assertEqual(type(error['error']), list)
-        # self.assertIn('0', error['error'][0])
-        # self.assertEqual(error['error'][0]['0'], 'Id must not be sent')
+        error = response.json
+        self.assertEqual(response.status_code, HTTPStatus.BAD_REQUEST)
+        self.assertIn("error", error)
+        self.assertEqual(type(error["error"]), list)
+        self.assertIn("0", error["error"][0])
+        self.assertEqual(error["error"][0]["0"], "Id must not be sent")
+
+    def test_body_with_updated_returns_error(self):
+        erro_schema = (False, "Updated must not be sent")
+        when(ServiceOrderSchema).validate_post(
+            mock_service_orders["service_order_with_updated"]
+        ).thenReturn(erro_schema)
+
+        payload = json.dumps(
+            {"content": [mock_service_orders["service_order_with_updated"]]}
+        )
+
+        response = self.client.post(
+            "/v2/service_orders",
+            headers={"Content-Type": "application/json"},
+            data=payload,
+        )
+
+        error = response.json
+        self.assertEqual(response.status_code, HTTPStatus.BAD_REQUEST)
+        self.assertIn("error", error)
+        self.assertEqual(type(error["error"]), list)
+        self.assertIn("0", error["error"][0])
+        self.assertEqual(error["error"][0]["0"], "Updated must not be sent")
+
+    def test_body_with_deleted_returns_error(self):
+        erro_schema = (False, "Deleted must not be sent")
+        when(ServiceOrderSchema).validate_post(
+            mock_service_orders["service_order_with_deleted"]
+        ).thenReturn(erro_schema)
+
+        payload = json.dumps(
+            {"content": [mock_service_orders["service_order_with_deleted"]]}
+        )
+
+        response = self.client.post(
+            "/v2/service_orders",
+            headers={"Content-Type": "application/json"},
+            data=payload,
+        )
+
+        error = response.json
+        self.assertEqual(response.status_code, HTTPStatus.BAD_REQUEST)
+        self.assertIn("error", error)
+        self.assertEqual(type(error["error"]), list)
+        self.assertIn("0", error["error"][0])
+        self.assertEqual(error["error"][0]["0"], "Deleted must not be sent")