Error Log

AttributeError: 'NoneType' object has no attribute 'elements_list'
request = <FixtureRequest for <Function 'test_user_successfully_adds_group_to_harvester_with_add_group_privilege[1oz_1op_elasticsearch]'>>

    scenarios('../features/onezone/harvesters.feature')
>   scenarios('../features/onezone/harvesters_memberships_privileges.feature')

tests/gui/scenarios/test_onezone_harvesters_basic.py:73: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
/usr/local/lib/python2.7/dist-packages/pytest_bdd/scenario.py:195: in _execute_scenario
    _execute_step_function(request, scenario, step, step_func)
/usr/local/lib/python2.7/dist-packages/pytest_bdd/scenario.py:137: in _execute_step_function
    step_func(**kwargs)
</usr/local/lib/python2.7/dist-packages/decorator.pyc:decorator-gen-798>:2: in add_group_to_harvester
    ???
tests/utils/utils.py:79: in wrapper
    return fun(*args, **kwargs)
tests/gui/meta_steps/onezone/harvesters.py:120: in add_group_to_harvester
    oz_page)
</usr/local/lib/python2.7/dist-packages/decorator.pyc:decorator-gen-548>:2: in click_on_option_of_harvester_on_left_sidebar_menu
    ???
tests/utils/utils.py:79: in wrapper
    return fun(*args, **kwargs)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

selenium = {'browser1': <selenium.webdriver.chrome.webdriver.WebDriver (session="8cdac56783d1073aed01b8c8c7fd634b")>, 'browser2': <selenium.webdriver.chrome.webdriver.WebDriver (session="8876079c79d5cf80ef4870c757366625")>}
browser_id = 'browser2', harvester_name = 'harvester9', option = 'Members'
oz_page = <class 'tests.gui.utils.onezone.OZLoggedIn'>

    @wt(parsers.re('user of (?P<browser_id>.*?) clicks (?P<option>.*?) '
                   'of "(?P<harvester_name>.*?)" harvester in the sidebar'))
    @repeat_failed(timeout=WAIT_FRONTEND)
    def click_on_option_of_harvester_on_left_sidebar_menu(selenium, browser_id,
                                                          harvester_name, option,
                                                          oz_page):
        driver = selenium[browser_id]
>       getattr(oz_page(driver)['discovery'].elements_list[harvester_name],
                transform(option)).click()
E       AttributeError: 'NoneType' object has no attribute 'elements_list'

tests/gui/steps/onezone/discovery.py:112: AttributeError