Clear cache after each test. Previous test's cache caused bug.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@17636 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5OOo/tests/testIngestion.py

@@ -108,6 +108,9 @@ class TestIngestion(ERP5TypeTestCase):
     self.createTools()
     self.setSimulatedNotificationScript()
 
+  def beforeTearDown(self):
+    self.portal.portal_caches.clearAllCache()
+
   def createTools(self):
     """
       Set up missing portal_mailin tool.