[i18n test] hack to make i18n tests run using a Python interpreter
they used to work fine when executed via pytest only.
This should be removed as soon as logilab.common.registry is fixed.
option_group_changed('port', 'main', 'web')
option_group_changed('query-log-file', 'main', 'web')
option_group_changed('profile', 'main', 'web')
option_group_changed('max-post-length', 'main', 'web')