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

Build: #461 failed

Job: Chrome nested directories tests failed

user removes nonempty directory using client2 and using client1 sees that they have disappeared[1oz 1op 1oc-web GUi-RESt]: Test case result

The below summarizes the result of the test " user removes nonempty directory using client2 and using client1 sees that they have disappeared[1oz 1op 1oc-web GUi-RESt]" in build 461 of Onedata Products - mixed acceptance pkg - Chrome nested directories tests.
Description
user removes nonempty directory using client2 and using client1 sees that they have disappeared[1oz 1op 1oc-web GUi-RESt]
Test class
mixed.scenarios.test_nested_directories
Method
test_user_removes_nonempty_directory_using_client2_and_using_client1_sees_that_they_have_disappeared[1oz_1op_1oc-web GUI-REST]
Duration
3 mins
Status
Failed (New Failure)

Error Log

TypeError: 'NoneType' object has no attribute '__getitem__'
client1 = 'web GUI', client2 = 'REST'
request = <FixtureRequest for <Function 'test_user_removes_nonempty_directory_using_client2_and_using_client1_sees_that_they_have_disappeared[1oz_1op_1oc-web GUI-REST]'>>

    
>   from tests.mixed.steps.data_basic import *

tests/mixed/scenarios/test_nested_directories.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/pytest_bdd/steps.py:165: in step_func
    result = get_fixture_value(request, func.__name__)
/usr/local/lib/python2.7/dist-packages/pytest_bdd/utils.py:36: in get_fixture_value
    return getfixturevalue(name)
/usr/local/lib/python2.7/dist-packages/_pytest/fixtures.py:441: in getfixturevalue
    return self._get_active_fixturedef(argname).cached_result[0]
/usr/local/lib/python2.7/dist-packages/_pytest/fixtures.py:466: in _get_active_fixturedef
    result = self._getfixturevalue(fixturedef)
/usr/local/lib/python2.7/dist-packages/_pytest/fixtures.py:531: in _getfixturevalue
    val = fixturedef.execute(request=subrequest)
/usr/local/lib/python2.7/dist-packages/_pytest/fixtures.py:787: in execute
    return ihook.pytest_fixture_setup(fixturedef=self, request=request)
/usr/local/lib/python2.7/dist-packages/_pytest/vendored_packages/pluggy.py:745: in __call__
    return self._hookexec(self, self._nonwrappers + self._wrappers, kwargs)
/usr/local/lib/python2.7/dist-packages/_pytest/vendored_packages/pluggy.py:339: in _hookexec
    return self._inner_hookexec(hook, methods, kwargs)
/usr/local/lib/python2.7/dist-packages/_pytest/vendored_packages/pluggy.py:334: in <lambda>
    _MultiCall(methods, kwargs, hook.spec_opts).execute()
/usr/local/lib/python2.7/dist-packages/_pytest/vendored_packages/pluggy.py:613: in execute
    return _wrapped_call(hook_impl.function(*args), self.execute)
/usr/local/lib/python2.7/dist-packages/_pytest/vendored_packages/pluggy.py:254: in _wrapped_call
    return call_outcome.get_result()
/usr/local/lib/python2.7/dist-packages/_pytest/vendored_packages/pluggy.py:280: in get_result
    _reraise(*ex)  # noqa
/usr/local/lib/python2.7/dist-packages/_pytest/vendored_packages/pluggy.py:265: in __init__
    self.result = func()
/usr/local/lib/python2.7/dist-packages/_pytest/vendored_packages/pluggy.py:614: in execute
    res = hook_impl.function(*args)
/usr/local/lib/python2.7/dist-packages/_pytest/fixtures.py:817: in pytest_fixture_setup
    result = call_fixture_func(fixturefunc, request, kwargs)
/usr/local/lib/python2.7/dist-packages/_pytest/fixtures.py:722: in call_fixture_func
    res = fixturefunc(**kwargs)
<decorator-gen-438>:2: in g_visit_op
    ???
tests/utils/utils.py:71: in wrapper
    return fun(*args, **kwargs)
tests/gui/meta_steps/onezone/common.py:76: in g_visit_op
    modals)
tests/gui/meta_steps/onezone/common.py:66: in g_wt_visit_op
    modals)
<decorator-gen-434>:2: in visit_op
    ???
tests/utils/utils.py:71: in wrapper
    return fun(*args, **kwargs)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

selenium = {'browser': <selenium.webdriver.chrome.webdriver.WebDriver (session="869416125ac7ccc402b3038008b72b3b")>, 'user1': <selenium.webdriver.chrome.webdriver.WebDriver (session="869416125ac7ccc402b3038008b72b3b")>}
browser_id = 'user1', oz_page = <class 'tests.gui.utils.onezone.OZLoggedIn'>
provider_name = 'dev-oneprovider-krakow'
modals = <class 'tests.gui.utils.common.modals.Modals'>

    @repeat_failed(timeout=WAIT_FRONTEND)
    def visit_op(selenium, browser_id, oz_page, provider_name, modals):
        driver = selenium[browser_id]
        providers_panel = oz_page(driver)['providers']
>       providers_panel[provider_name]()
E       TypeError: 'NoneType' object has no attribute '__getitem__'

tests/gui/meta_steps/onezone/common.py:50: TypeError