Use activate instead of install for module activation

tests/scenario_account_dunning_fee.rst

@@ -7,25 +7,16 @@ Imports::
     >>> import datetime
     >>> from decimal import Decimal
     >>> from proteus import config, Model, Wizard
+    >>> from trytond.tests.tools import activate_modules
     >>> from trytond.modules.company.tests.tools import create_company, \
     ...     get_company
     >>> from trytond.modules.account.tests.tools import create_fiscalyear, \
     ...     create_chart, get_accounts
     >>> today = datetime.date.today()
 
-Create a database::
-
-    >>> config = config.set_trytond()
-    >>> config.pool.test = True
-
 Install account_dunning_fee::
 
-    >>> Module = Model.get('ir.module')
-    >>> module, = Module.find([
-    ...         ('name', '=', 'account_dunning_fee'),
-    ...         ])
-    >>> module.click('install')
-    >>> Wizard('ir.module.install_upgrade').execute('upgrade')
+    >>> config = activate_modules('account_dunning_fee')
 
 Create company::
 

tests/test_account_dunning_fee.py

@@ -7,8 +7,7 @@ import doctest
 
 from trytond.tests.test_tryton import ModuleTestCase
 from trytond.tests.test_tryton import suite as test_suite
-from trytond.tests.test_tryton import doctest_setup, doctest_teardown
-from trytond.tests.test_tryton import doctest_checker
+from trytond.tests.test_tryton import doctest_teardown, doctest_checker
 
 
 class AccountDunningFeeTestCase(ModuleTestCase):
@@ -22,7 +21,7 @@ def suite():
             AccountDunningFeeTestCase))
     suite.addTests(doctest.DocFileSuite(
             'scenario_account_dunning_fee.rst',
-            setUp=doctest_setup, tearDown=doctest_teardown, encoding='utf-8',
+            tearDown=doctest_teardown, encoding='utf-8',
             checker=doctest_checker,
             optionflags=doctest.REPORT_ONLY_FIRST_FAILURE))
     return suite