upgrader test: update stepCheckNoActivitiesCreated for new internals

now that we use alarm sense method, another `notify` call is activated

bt5/erp5_upgrader/TestTemplateItem/portal_components/test.erp5.testUpgrader.py

@@ -332,10 +332,11 @@ class TestUpgrader(ERP5TypeTestCase):
 
   def stepCheckNoActivitiesCreated(self, sequence=None):
     portal_activities = self.getActivityTool()
-    message, = portal_activities.getMessageList()
-    self.assertEqual(message.method_id, "Alarm_runUpgrader")
+    self.assertEqual({'Alarm_runUpgrader', 'notify'},
+      {x.method_id for x in portal_activities.getMessageList()})
     getTitleList = self.getTemplateTool().getInstalledBusinessTemplateTitleList
     self.assertNotIn('erp5_web', getTitleList())
+    for message in portal_activities.getMessageList():
       portal_activities.manageInvoke(message.object_path, message.method_id)
     self.assertIn('erp5_web', getTitleList())
     self.commit()
@@ -356,8 +357,9 @@ class TestUpgrader(ERP5TypeTestCase):
 
   def stepCheckActivitiesCreated(self, sequence=None):
     portal_activities = self.getActivityTool()
-    message, = portal_activities.getMessageList()
-    self.assertEqual(message.method_id, "Alarm_runUpgrader")
+    self.assertEqual({'Alarm_runUpgrader', 'notify'},
+      {x.method_id for x in portal_activities.getMessageList()})
+    for message in portal_activities.getMessageList():
       portal_activities.manageInvoke(message.object_path, message.method_id)
     self.commit()
     self.assertIn('Base_postCheckConsistencyResult',