[FIX] cron_daylight_saving_time_resistant: Keep test savepoint

cron_daylight_saving_time_resistant/models/ir_cron.py

@@ -45,7 +45,7 @@ class IrCron(models.Model):
         # be 1 hour too soon) and the date will just be incremented of 1
         # hour, each hour...until the changes time really occurs...
         if job["daylight_saving_time_resistant"]:
-            with cls.pool.cursor() as job_cr:
+            with db.cursor() as job_cr:
                 try:
                     cron = api.Environment(
                         job_cr,

cron_daylight_saving_time_resistant/tests/test_dst.py

@@ -29,6 +29,11 @@ class TestDST(TransactionCase):
                 {"nextcall": datetime_str, "daylight_saving_time_resistant": True}
             )
             cron.flush_recordset()
+            cron.ir_actions_server_id.flush_recordset(
+                fnames=[
+                    "model_name",
+                ],
+            )
             self.env.cr.execute("SELECT * FROM ir_cron WHERE id = %s", (cron.id,))
             job = self.env.cr.dictfetchall()[0]
             timezone_date_orig = fields.Datetime.context_timestamp(cron, cron.nextcall)