Pass dvla_org_id through to template preview app

tests/__init__.py

@@ -72,7 +72,8 @@ def service_json(
         'organisation': organisation,
         'branding': branding,
         'created_at': created_at or str(datetime.utcnow()),
-        'letter_contact_block': letter_contact_block
+        'letter_contact_block': letter_contact_block,
+        'dvla_organisation': '001',
     }
 
 

tests/app/test_template_previews.py

@@ -28,7 +28,8 @@ def test_from_database_object_makes_request(mocker, client):
     data = {
         'letter_contact_block': '123',
         'template': 'foo',
-        'values': None
+        'values': None,
+        'dvla_org_id': '123',
     }
     headers = {'Authorization': 'Token my-secret-key'}