[TEST] account: remove group from all users when removing settings
[TEST] account: remove group from all users when removing settings

Initial issue solved by 3eb06a27dae31ddc4112445801ee4c1c601fe669
We keep the test since it ensures that settings can be saved properly.

X-original-commit: 2c1b92f626edaf89c93c3bd96d656aa77c580c69
ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo