diff --git a/openerp/addons/base/test/test_osv_expression.yml b/openerp/addons/base/test/test_osv_expression.yml
index 03c5bad9328..4cbfad926ad 100644
--- a/openerp/addons/base/test/test_osv_expression.yml
+++ b/openerp/addons/base/test/test_osv_expression.yml
@@ -2,22 +2,15 @@
     Testing for hierarchical search in M2M
 -
     !python {model: res.partner }: |
-        ids = self.search(cr, uid, [('category_id', 'child_of','supplier')])
+        ids = self.search(cr, uid, [('category_id', 'child_of',ref('res_partner_category_1'))])
         assert len(ids) >= 1, ids
 
 -
     Test hierarchical search in M2M with child ID1
 -
     !python {model: res.partner }: |
-        ids = self.search(cr, uid, [('category_id', 'child_of','Customer')])
+        ids = self.search(cr, uid, [('category_id', 'child_of',ref('res_partner_category_0'))])
         assert len(ids) >= 1, ids
--
-    Test hierarchical search in M2M with child ID2
--
-    !python {model: res.partner }: |
-        ids = self.search(cr, uid, [('category_id', 'child_of','Manufacturer')])
-        assert len(ids) == 2, ids
-
 -
     "1.0 Setup test partner categories: parent root"
 -