TestBPMMixin: delete useless beforeTearDown

git-svn-id: https://svn.erp5.org/repos/public/erp5/sandbox/amount_generator@38146 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testBPMCore.py

@@ -179,15 +179,6 @@ class TestBPMMixin(ERP5TypeTestCase):
     self.createAndValidateAccounts()
     self.stepTic()
 
-  def beforeTearDown(self):
-    # abort any transaction
-    transaction.abort()
-    # put non finished activities into ignored state
-    activity_connection = self.portal.cmf_activity_sql_connection
-    for table in 'message', 'message_queue':
-      activity_connection.manage_test(
-          'delete from %s where processing_node=-2' % table)
-    self.stepTic()
 
 class TestBPMImplementation(TestBPMMixin):
   """Business Process implementation tests"""