fixed import issue in ERP5Type Document repository

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@657 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/ERP5TypeTestCase.py

@@ -50,6 +50,10 @@ ZopeTestCase.installProduct('CMFActivity')
 ZopeTestCase.installProduct('ERP5SyncML')
 ZopeTestCase.installProduct('ERP5') # Not needed by ERP5Type
 
+# Install Document types (circumvent different init order in ZopeTestCase)
+from Products.ERP5Type.InitGenerator import initializeProductDocumentRegistry
+initializeProductDocumentRegistry()
+
 from AccessControl.SecurityManagement import newSecurityManager, noSecurityManager
 from AccessControl.User import User