GUI acceptance tests using environment deployed from packages.

Build: #646 failed

Job: Onezone spaces basic failed

user successfully leaves space[1oz 1op deployed]: Test case result

The below summarizes the result of the test " user successfully leaves space[1oz 1op deployed]" in build 646 of Onedata Products - gui acceptance pkg - Chrome onezone spaces basic tests.
Description
user successfully leaves space[1oz 1op deployed]
Test class
gui.scenarios.test_onezone_spaces_basic
Method
test_user_successfully_leaves_space[1oz_1op_deployed]
Duration
57 secs
Status
Failed (New Failure)

Error Log

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

    from tests.gui.steps.oneprovider.groups import *
>   from tests.gui.steps.oneprovider.spaces import *

tests/gui/scenarios/test_onezone_spaces_basic.py:49: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
/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-384>:2: in assert_space_has_disappeared_on_spaces
    ???
tests/utils/utils.py:79: in wrapper
    return fun(*args, **kwargs)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

selenium = {'browser': <selenium.webdriver.chrome.webdriver.WebDriver (session="7791604643e589afa342b85ae9e14cb0")>}
browser_id = 'browser', space_name = 'space2'
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