testKM: fix property setters

product/ERP5/tests/testKM.py

@@ -298,7 +298,7 @@ class TestKM(TestKMMixIn):
     # Web Section mode
     websection_knowledge_pad = user_pref.newContent(portal_type = 'Knowledge Pad',
                                                     title = "web_section")
-    websection_knowledge_pad.setGroupValue(default_pad_group)
+    websection_knowledge_pad.setGroup(default_pad_group)
     websection_knowledge_pad1 = websection_knowledge_pad.newContent( \
                                                     portal_type = 'Knowledge Box',
                                                     title = "web_section_1")