slapos_erp5: fixup slave test

master/bt5/slapos_erp5/TestTemplateItem/portal_components/test.erp5.testSlapOSERP5VirtualMasterScenario.py

@@ -503,11 +503,11 @@ class TestSlapOSVirtualMasterScenario(DefaultScenarioMixin):
 
     self.login()
     # Ensure no unexpected object has been created
-    # 3 (can reduce to 2) assignment, 1 instance tree, 1 compute node, 1 software installation
-    # 1 software instance
+    # 3 (can reduce to 2) assignment, 2 instance tree, 1 compute node, 1 software installation
+    # 2 software instance
     # 2 credential request
     related_object_list = project.Base_getRelatedObjectList(**{'category.category_strict_membership': 1})
-    assert len(related_object_list) == 9, [x.getRelativeUrl() for x in related_object_list]
+    assert len(related_object_list) == 11, [x.getRelativeUrl() for x in related_object_list]
 
     self.stepcheckERP5Consistency()