Improve test comment to make tested feature clearer.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@16063 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testInventoryAPI.py

@@ -672,7 +672,7 @@ class TestInventoryList(InventoryAPITestCase):
     getInventoryList = self.getSimulationTool().getInventoryList
     self._makeMovement(quantity=100)
     self._makeMovement(resource_value=self.other_resource, quantity=100)
-    # group_by_resource is implicit ...
+    # group_by_resource is implicit when grouping by something ...
     inventory_list = getInventoryList(node_uid=self.node.getUid(),
                                       group_by_node=1)
     self.assertEquals(2, len(inventory_list))