Fixed mistake.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@18634 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testCRM.py

@@ -510,7 +510,7 @@ class TestCRMMailSend(ERP5TypeTestCase):
     for i in message.get_payload():
       if i.get_filename()=='sample_attachment.html':
         part = i
-    self.assertEqual(part.get_payload(decode=True), str(document_html.getTextContent))
+    self.assertEqual(part.get_payload(decode=True), str(document_html.getTextContent()))
 
   def test_MailRespond(self):
     """