This update adds test data to the Odoo configuration settings, specifically for the 'pos_iot_six' payment method. This ensures that the system can be thoroughly tested with this new payment option, improving the reliability and accuracy of future updates. It's part of a larger effort to expand payment method support within Odoo Enterprise.

Adding pos iot six payment method to the test data of the pos_config.

Related to Odoo pr https://github.com/odoo/odoo/pull/262184

Forward-Port-Of: odoo/enterprise#118531