AttributeError: 'NoneType' object has no attribute 'elements_list'
request = <FixtureRequest for <Function 'test_group_leaves_parent_group'>>

    from tests.gui.steps.oneprovider.common import *
>   from tests.gui.steps.oneprovider.data_tab import *

tests/gui/scenarios/test_onezone_basic.py:41: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
(23 more lines...)

AttributeError: 'NoneType' object has no attribute 'elements_list'
request = <FixtureRequest for <Function 'test_group_owner_leaves_group'>>

    from tests.gui.steps.modal import *
>   from tests.gui.steps.oneprovider_common import *

tests/gui/scenarios/test_onezone_basic.py:49: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
(22 more lines...)

AttributeError: 'NoneType' object has no attribute 'elements_list'
request = <FixtureRequest for <Function 'test_user_is_removed_from_group'>>

    
>   @pytest.mark.skip('it collides with deregister provider test, '
                      'so skip it on getting started for now)')
    @scenario('../features/onezone/providers.feature',
              'User sees that when no provider is working appropriate msg is shown')
(29 more lines...)