Use new doctest setup/teardown

issue3627
review7401002

tests/test_purchase.py

@@ -5,8 +5,9 @@ import doctest
 from decimal import Decimal
 
 import trytond.tests.test_tryton
-from trytond.tests.test_tryton import test_view, test_depends, doctest_dropdb
+from trytond.tests.test_tryton import test_view, test_depends
 from trytond.tests.test_tryton import POOL, DB_NAME, USER, CONTEXT
+from trytond.tests.test_tryton import doctest_setup, doctest_teardown
 from trytond.transaction import Transaction
 
 
@@ -124,6 +125,6 @@ def suite():
     suite.addTests(unittest.TestLoader().loadTestsFromTestCase(
         PurchaseTestCase))
     suite.addTests(doctest.DocFileSuite('scenario_purchase.rst',
-            setUp=doctest_dropdb, tearDown=doctest_dropdb, encoding='UTF-8',
+            setUp=doctest_setup, tearDown=doctest_teardown, encoding='UTF-8',
             optionflags=doctest.REPORT_ONLY_FIRST_FAILURE))
     return suite