GUI acceptance tests using environment deployed from packages.

Build: #1912 was successful

Job: Chrome onezone automations tests was successful

user sees that new workflow has been added after uploading it as json file[1oz 1op deployed]: Test case result

The below summarizes the result of the test " user sees that new workflow has been added after uploading it as json file[1oz 1op deployed]" in build 1,912 of Onedata Products - gui acceptance pkg - Chrome onezone automations tests.
Description
user sees that new workflow has been added after uploading it as json file[1oz 1op deployed]
Test class
gui.scenarios.test_onezone_automation
Method
test_user_sees_that_new_workflow_has_been_added_after_uploading_it_as_json_file[1oz_1op_deployed]
Jira Issue
Duration
55 secs
Status
Failed (Existing Failure)

Error Log

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: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:189: in _execute_scenario
    _execute_step_function(request, scenario, step, step_func)
/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:130: in _execute_step_function
    step_func(**kwargs)
tests/utils/bdd_utils.py:78: in wrapper
    return fun(*ba.args, **ba.kwargs)
<decorator-gen-1041>:2: in go_to_inventory_subpage
    ???
tests/utils/utils.py:90: in wrapper
    return fun(*args, **kwargs)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

selenium = {'browser': <selenium.webdriver.chrome.webdriver.WebDriver (session="f48e1c4f17a7b8c20812013cd83f1bc4")>}
browser_id = 'browser', inventory = 'inventory1', subpage = 'workflows'
oz_page = <class 'tests.gui.utils.onezone.OZLoggedIn'>

    @wt(parsers.re('user of (?P<browser_id>.*) opens inventory "(?P<inventory>.*)" '
                   '(?P<subpage>workflows|lambdas|members|main) subpage'))
    @repeat_failed(timeout=WAIT_FRONTEND)
    def go_to_inventory_subpage(selenium, browser_id, inventory, subpage, oz_page):
        page = oz_page(selenium[browser_id])['automation']
>       page.elements_list[inventory]()
E       AttributeError: 'NoneType' object has no attribute 'elements_list'

tests/gui/steps/onezone/automation.py:99: AttributeError