Fix unit test on mass validation of monthly statements for a bug linked to the

execution date.

NEWS.rst

@@ -2,6 +2,8 @@
 ==========
 
 * Enable mass validation of monthly statements.
+* Fix unit test on mass validation of monthly statements for a bug linked to
+  the execution date.
 
 11.0.1.6.1
 ==========

tests/test_account_report.py

@@ -240,6 +240,14 @@
             | self.env.ref("base.res_partner_2")
             | self.env.ref("base.res_partner_3")
         ):
+            self.env.cr.execute(
+                """DELETE FROM account_invoice CASCADE
+                WHERE partner_id = %(partner_id)s;
+                DELETE FROM account_move CASCADE
+                WHERE partner_id = %(partner_id)s;
+                """,
+                {"partner_id": partner.id},
+            )
             invoice = self._makeInvoice(partner)
             self._validateInvoices(invoice)
             line_to_pay = invoice.move_id.line_ids.filtered(