Acceptance tests using different clients concurrently. Environment deployed from packages.

Build: #597 failed

Job: Spaces basic failed

user removes space using client1 and using client2 he sees that it has been removed[1oz 1op 1oc]: Test case result

The below summarizes the result of the test " user removes space using client1 and using client2 he sees that it has been removed[1oz 1op 1oc]" in build 597 of Onedata Products - mixed acceptance pkg - Chrome spaces basic tests.
Description
user removes space using client1 and using client2 he sees that it has been removed[1oz 1op 1oc]
Test class
mixed.scenarios.test_spaces_basic
Method
test_user_removes_space_using_client1_and_using_client2_he_sees_that_it_has_been_removed[1oz_1op_1oc]
Jira Issue
Duration
55 secs
Status
Failed (New Failure)

Error Log

AttributeError: 'NoneType' object has no attribute 'elements_list'
request = <FixtureRequest for <Function 'test_user_removes_space_using_client1_and_using_client2_he_sees_that_it_has_been_removed[1oz_1op_1oc]'>>

>   ???

tests/mixed/scenarios/test_spaces_basic.py:57: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
/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)
tests/mixed/steps/space_basic.py:267: in assert_there_are_no_spaces_in_oz
    space_list)
tests/gui/meta_steps/onezone/spaces.py:190: in assert_there_are_no_spaces_in_oz_gui
    oz_page)
</usr/local/lib/python2.7/dist-packages/decorator.pyc:decorator-gen-488>:2: in assert_space_has_disappeared_on_spaces
    ???
tests/utils/utils.py:79: in wrapper
    return fun(*args, **kwargs)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

selenium = {'admin': <selenium.webdriver.chrome.webdriver.WebDriver (session="ded13805bb9b26b55bab50883ee238d5")>, 'browsers': <s...50883ee238d5")>, 'user1': <selenium.webdriver.chrome.webdriver.WebDriver (session="3de758fab1af9ccfa38246bb92f96874")>}
browser_id = 'user1', space_name = 'space1'
oz_page = <class 'tests.gui.utils.onezone.OZLoggedIn'>

    @wt(parsers.parse('user of {browser_id} sees that "{space_name}" '
                      'has disappeared on the spaces list in the sidebar'))
    @repeat_failed(timeout=WAIT_BACKEND)
    def assert_space_has_disappeared_on_spaces(selenium, browser_id, space_name,
                                               oz_page):
        driver = selenium[browser_id]
>       spaces = oz_page(driver)['data'].elements_list
E       AttributeError: 'NoneType' object has no attribute 'elements_list'

tests/gui/steps/onezone/spaces.py:157: AttributeError