[FIX] account_banking_sepa_direct_debit: Remove warnings in tests.

TT35948

account_banking_sepa_direct_debit/models/account_banking_mandate.py

@@ -6,7 +6,8 @@ from datetime import datetime
 
 from dateutil.relativedelta import relativedelta
 
-from odoo import _, api, exceptions, fields, models
+from odoo import _, api, fields, models
+from odoo.exceptions import UserError
 
 NUMBER_OF_UNUSED_MONTHS_BEFORE_EXPIRY = 36
 
@@ -50,7 +51,7 @@ class AccountBankingMandate(models.Model):
     def _check_recurring_type(self):
         for mandate in self:
             if mandate.type == "recurrent" and not mandate.recurrent_sequence_type:
-                raise exceptions.Warning(
+                raise UserError(
                     _("The recurrent mandate '%s' must have a sequence type.")
                     % mandate.unique_mandate_reference
                 )