Test permissions on the inbox updates

tests/app/main/views/test_dashboard.py

@@ -189,12 +189,17 @@ def test_empty_inbox(
     )
 
 
+@pytest.mark.parametrize('endpoint', [
+    'main.inbox',
+    'main.inbox_updates',
+])
 def test_inbox_not_accessible_to_service_without_permissions(
     logged_in_client,
     service_one,
+    endpoint,
 ):
     service_one['permissions'] = []
-    response = logged_in_client.get(url_for('main.inbox', service_id=SERVICE_ONE_ID))
+    response = logged_in_client.get(url_for(endpoint, service_id=SERVICE_ONE_ID))
 
     assert response.status_code == 403
 
@@ -228,8 +233,6 @@ def test_view_inbox_updates(
     mock_get_inbound_sms_with_no_messages,
 ):
 
-    service_one['permissions'] = ['inbound_sms']
-
     mock_get_partials = mocker.patch(
         'app.main.views.dashboard.get_inbox_partials',
         return_value={'messages': 'foo'},