slapos_erp5: test: complexify the calculation

master/bt5/slapos_erp5/TestTemplateItem/portal_components/test.erp5.testSlapOSERP5SubscriptionChangeRequestScenario.py

@@ -75,7 +75,7 @@ class TestSlapOSSubscriptionChangeRequestScenario(TestSlapOSSubscriptionChangeRe
     with PinnedDateTime(self, DateTime('2024/01/29')):
       public_reference = 'public-%s' % self.generateNewId()
       self.joinSlapOS(self.web_site, public_reference)
-    with PinnedDateTime(self, DateTime('2024/01/31')):
+    with PinnedDateTime(self, DateTime('2024/02/01')):
       public_reference2 = 'public2-%s' % self.generateNewId()
       self.joinSlapOS(self.web_site, public_reference2)
 
@@ -95,7 +95,7 @@ class TestSlapOSSubscriptionChangeRequestScenario(TestSlapOSSubscriptionChangeRe
     public_instance_title = 'Public title %s' % self.generateNewId()
     self.login(person_user_id)
 
-    with PinnedDateTime(self, DateTime('2024/02/03')):
+    with PinnedDateTime(self, DateTime('2024/02/10')):
       self.personRequestInstanceNotReady(
         software_release=software_release,
         software_type=software_type,
@@ -113,7 +113,7 @@ class TestSlapOSSubscriptionChangeRequestScenario(TestSlapOSSubscriptionChangeRe
       self.checkServiceSubscriptionRequest(instance_tree)
       self.tic()
 
-    with PinnedDateTime(self, DateTime('2024/02/10')):
+    with PinnedDateTime(self, DateTime('2024/02/25')):
       self.login(sale_person.getUserId())
       subscription_change_request = public_person2.Person_claimSlaposItemSubscription(
         instance_tree.getReference(),
@@ -150,7 +150,8 @@ class TestSlapOSSubscriptionChangeRequestScenario(TestSlapOSSubscriptionChangeRe
     }
     inventory_list = self.portal.portal_simulation.getCurrentInventoryList(**inventory_list_kw)
     self.assertEquals(1, len(inventory_list))
-    self.assertEquals(-1, inventory_list[0].total_quantity)
+    # 1 - 0.42 (13 days of 31) - 0.1 (3 days of 31) + 1 - 0.83 (24 days of 29)
+    self.assertEquals(-0.65, inventory_list[0].total_quantity)
 
     inventory_list_kw = {
         'group_by_section': False,