Fix tests

cms/djangoapps/contentstore/tests/test_contentstore.py

@@ -556,7 +556,7 @@ class ContentStoreTest(ModuleStoreTestCase):
         module_store.update_children(parent.location, parent.children + [new_component_location.url()])
 
         # flush the cache
-        module_store.get_cached_metadata_inheritance_tree(new_component_location, -1)
+        module_store.refresh_cached_metadata_inheritance_tree(new_component_location)
         new_module = module_store.get_item(new_component_location)
 
         # check for grace period definition which should be defined at the course level
@@ -571,7 +571,7 @@ class ContentStoreTest(ModuleStoreTestCase):
         module_store.update_metadata(new_module.location, own_metadata(new_module))
 
         # flush the cache and refetch
-        module_store.get_cached_metadata_inheritance_tree(new_component_location, -1)
+        module_store.refresh_cached_metadata_inheritance_tree(new_component_location)
         new_module = module_store.get_item(new_component_location)
 
         self.assertEqual(timedelta(1), new_module.lms.graceperiod)