Checkout Agreement validation is broken on payment method change

[shortner]

Magento_CheckoutAgreements does not display validation message for Terms and Condition item after change of payment method.

Preconditions

1. Install Magento 2.1

Steps to reproduce

1. Create a Term and Condition entry under Stores > Terms and Conditions
2. Activate Terms and Conditions for checkout under Stores > Sales > Checkout > Enable Terms and Conditions
3. Enable a second payment method
4. Go through checkout
5. On Review & Payments step select a payment method
6. Click Place Order
7. Validation message for Term and Condition entry appears
8. Select different payment method
9. Click Place Order
10. No validation message appears

Expected result

1. Validation message for unaccepted Term and Condition entry appears

Actual result

1. No validation message for unaccepted Term and Condition entry appears

[bka]

Same issue here. Seems to be in Magento/CheckoutAgreements/view/frontend/web/js/model/agreement-validator.js, errorPlacement is only called once and places the label after the active checkbox. But every payment method has its own checkboxes.

[bka]

This seems to solve the issue for me.

[victor-v-rad]

Internal issue MAGETWO-57682 was created to fix this