erp5_interface_post: update tests

bt5/erp5_interface_post/TestTemplateItem/portal_components/test.erp5.testInterfacePost.py

@@ -257,8 +257,7 @@ class TestInterfacePost(ERP5TypeTestCase):
       )
       self.assertEqual(
         mail_message.getTextContent(),
-        self.portal.Base_getFirstPartFromMultipartMessage(
-          internet_message_post.getData())
+        internet_message_post.InternetMessagePost_getFirstPartFromMultipartMessage()
       )
 
   def stepCheckOnlyOneMessageHasBeenSentFromMailHost(self, sequence=None, sequence_list=None):
@@ -343,7 +342,7 @@ class TestInterfacePost(ERP5TypeTestCase):
     self.assertEqual(response.getSimulationState(), 'delivered')
 
   def stepLaunchExportOnLetterPostModule(self, sequence=None, sequence_list=None):
-    self.portal.letter_post_module.LetterPostModule_exportExportableLetterPostActivity(user_name=self.user.getUserId())
+    self.portal.letter_post_module.LetterPostModule_exportExportableLetterPostActivity(user_name=self.user.getUserId(), comment='To print')
 
   def stepCheckAggregatingPDFDocument(self, sequence=None, sequence_list=None):
     pdf_document_list = self._portal_catalog(portal_type='PDF')