[IMP] tests, *: add start_tour helper
[IMP] tests, *: add start_tour helper

Enterprise counterpart of https://github.com/odoo/odoo/pull/32316

closes odoo/enterprise#3987

Signed-off-by: Christophe Monniez (moc) <c96e125261f5e7e830d26ea98a02884db1f08bc3@odoo.com>
ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo