AttributeError: 'NoneType' object has no attribute 'elements_list'
request = <FixtureRequest for <Function 'test_user_sees_that_new_workflow_has_been_added_after_uploading_it_as_json_file[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(26 more lines...)

IndexError: list index out of range
request = <FixtureRequest for <Function 'test_user_increases_number_of_members_in_cluster[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(25 more lines...)

RuntimeError: no  item found in Requirement in Quality of Service modal
web_elem_root = <selenium.webdriver.remote.webelement.WebElement (session="5d035b3d4d78f93e72b4eb2521e9a535", element="4e8de865-5384-41c6-acab-d81014ac65a4")>
css_sel = '.qos-status-impossible'
err_msg = 'no  item found in Requirement in Quality of Service modal'

    def find_web_elem(web_elem_root, css_sel, err_msg):
        try:
            _scroll_to_css_sel(web_elem_root, css_sel)
(302 more lines...)

RuntimeError: Index out of bound. Requested item at 0 while limit is 0 in _TransfersTab in Oneprovider page
request = <FixtureRequest for <Function 'test_user_tries_to_migrate_file_to_too_small_space_on_remote_provider[1oz_2op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(31 more lines...)

RuntimeError: Index out of bound. Requested item at 0 while limit is 0 in _TransfersTab in Oneprovider page
request = <FixtureRequest for <Function 'test_user_tries_to_replicate_file_to_too_small_space_on_remote_provider[1oz_2op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(31 more lines...)

pytest_bdd.exceptions.StepDefinitionNotFoundError: Step definition is not found: When "user of browser kills "oneprovider-1" provider". Line 14 in scenario "User deregisters dead duplicated provider" in the feature "/mnt/storage/bamboo-agent-home/xml-data/build-dir/ODSRV-GAPT-COPBT/onedata/tests/gui/features/onezone/clusters_as_admin.feature
self = <FixtureRequest for <Function 'test_user_deregisters_dead_duplicated_provider[1oz_1op_deployed]'>>
argname = 'pytestbdd_when_user of browser kills "oneprovider-1" provider'

    def _get_active_fixturedef(self, argname):
        try:
>           return self._fixture_defs[argname]
E           KeyError: 'pytestbdd_when_user of browser kills "oneprovider-1" provider'
(129 more lines...)