[FIX] web: make broken test in firefox pass
[FIX] web: make broken test in firefox pass

The attribute `autocomplete` is set with the jQuery function `attr` but
the test was using the function `prop`.

This seems to work in Chrome but apparently not in Firefox.

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo