Use Activate modules as test scenario section name

issue9395
review291901002

tests/scenario_sale_subscription_asset.rst

@@ -13,7 +13,7 @@ Imports::
     >>> from trytond.modules.account.tests.tools import create_chart, \
     ...     get_accounts
 
-Install sale_subscription_asset::
+Activate modules::
 
     >>> config = activate_modules('sale_subscription_asset')