Build #720

Plan branch:
Acceptance tests using different clients concurrently. Environment deployed from packages.

Build: #720 failed

Job: Spaces basic failed

admin user adds other user to space using client1 and that user using client2 sees that he has been added[1oz 1op 1oc]: Test case result

The below summarizes the result of the test " admin user adds other user to space using client1 and that user using client2 sees that he has been added[1oz 1op 1oc]" in build 720 of Onedata Products - mixed acceptance pkg - Chrome spaces basic tests.
Description
admin user adds other user to space using client1 and that user using client2 sees that he has been added[1oz 1op 1oc]
Test class
mixed.scenarios.test_spaces_basic
Method
test_admin_user_adds_other_user_to_space_using_client1_and_that_user_using_client2_sees_that_he_has_been_added[1oz_1op_1oc]
Duration
25 secs
Status
Failed (Existing Failure)

Error Log

ImportError: cannot import name 'DefaultSpace'
request = <FixtureRequest for <Function 'test_admin_user_adds_other_user_to_space_using_client1_and_that_user_using_client2_sees_that_he_has_been_added[1oz_1op_1oc]'>>

    @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/mixed/steps/space_basic.py:145: in add_users_to_space_in_oz
    from tests.mixed.steps.rest.onezone.space_management import \
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """
    
    __author__ = "Michal Cwiertnia"
    __copyright__ = "Copyright (C) 2017 ACK CYFRONET AGH"
    __license__ = ("This software is released under the MIT license cited in "
                   "LICENSE.txt")
    
    
>   from tests.mixed.onezone_client import (UserApi, SpaceCreateRequest,
                                            SpaceApi, DefaultSpace,
                                            SpaceInviteToken, ProviderApi)
E                                           ImportError: cannot import name 'DefaultSpace'

tests/mixed/steps/rest/onezone/space_management.py:11: ImportError