The tour .test_03_backend_dashboard was failing inconsistently with a "failed to fetch" error (which happens when fetching the frontend assets, from the iframe). The test is adapted to start directly in the backend, which seems to prevent that error from happening. It is also adapted to [1] which was merged during the investigation of that error. [1]: https://github.com/odoo/odoo/commit/985e49bdb5e22fa197ba267aa41d7a8ba7e50550 runbot-4418 runbot-4003 Part-of: odoo/odoo#95890