warnings checks are buggy in tidy, so do not check it

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@18655 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testXHTML.py

@@ -144,8 +144,8 @@ def validate_xhtml(source):
     if len(data) >= 2:
       if data[1].startswith('Error: '):
         return False
-      elif data[1].startswith('Warning: '):
-        return False
+#       elif data[1].startswith('Warning: '):
+#         return False
   return True