tox
happy tests are still happy
container: db row after a save code now have their visit_status populated
```
swh-web=# select * from save_origin_request order by request_date desc;
id | request_date | visit_type | origin_url | status | loading_task_id | visit_date | loading_task_status | visit_status
----+-------------------------------+------------+----------------------------------------------------------------+----------+-----------------+-------------------------------+---------------------+--------------
9 | 2021-04-21 12:03:52.083365+00 | git | https://github.com/WerWolv/ImHex | accepted | 18 | | running |
8 | 2021-04-21 11:57:40.967667+00 | git | https://github.com/divnix/devos | accepted | 16 | 2021-04-21 11:58:34.487761+00 | succeeded | full
7 | 2021-04-21 11:32:02.161929+00 | git | https://github.com/org-trello/org-trello | accepted | 14 | 2021-04-21 11:34:02.994894+00 | succeeded | full
```