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

Build: #1068 failed

Job: Spaces basic failed

user renames space using client1 and using client2 he sees that it has been renamed[1oz 1op 1oc-web GUi-RESt]: Test case result

The below summarizes the result of the test " user renames space using client1 and using client2 he sees that it has been renamed[1oz 1op 1oc-web GUi-RESt]" in build 1,068 of Onedata Products - mixed acceptance pkg - Chrome spaces basic tests.
Description
user renames space using client1 and using client2 he sees that it has been renamed[1oz 1op 1oc-web GUi-RESt]
Test class
mixed.scenarios.test_spaces_basic
Method
test_user_renames_space_using_client1_and_using_client2_he_sees_that_it_has_been_renamed[1oz_1op_1oc-web GUI-REST]
Duration
46 secs
Status
Failed (New Failure)

Error Log

ValueError: Invalid value for `creation_time`, must not be `None`
request = <FixtureRequest for <Function 'test_user_renames_space_using_client1_and_using_client2_he_sees_that_it_has_been_renamed[1oz_1op_1oc-web GUI-REST]'>>

    @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:271: in assert_spaces_have_been_renamed_in_oz
    spaces)
tests/mixed/steps/rest/onezone/space_management.py:169: in assert_spaces_have_been_renamed_in_oz_rest
    space_name = user_api.get_user_space(spaces[space_name]).name
tests/mixed/onezone_client/apis/user_api.py:2496: in get_user_space
    (data) = self.get_user_space_with_http_info(sid, **kwargs)
tests/mixed/onezone_client/apis/user_api.py:2569: in get_user_space_with_http_info
    collection_formats=collection_formats)
tests/mixed/onezone_client/api_client.py:317: in call_api
    _return_http_data_only, collection_formats, _preload_content, _request_timeout)
tests/mixed/onezone_client/api_client.py:159: in __call_api
    return_data = self.deserialize(response_data, response_type)
tests/mixed/onezone_client/api_client.py:232: in deserialize
    return self.__deserialize(data, response_type)
tests/mixed/onezone_client/api_client.py:272: in __deserialize
    return self.__deserialize_model(data, klass)
tests/mixed/onezone_client/api_client.py:616: in __deserialize_model
    instance = klass(**kwargs)
tests/mixed/onezone_client/models/space.py:65: in __init__
    self.creation_time = creation_time
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = {'creation_time': None,
 'creator': {'id': 'ef8fb38e22f6ac64c4b23db369b4470ach4cb9', 'type': 'user'},
 'name': 'NewNam...providers': {'c667b27d1a889dd032e888e5f0b6bde6ch7294': 1000000},
 'space_id': '5ce1c3741a3260a97d6d91da0bed9d70ch8d50'}
creation_time = None

    @creation_time.setter
    def creation_time(self, creation_time):
        """
            Sets the creation_time of this Space.
    
            :param creation_time: The creation_time of this Space.
            :type: Timestamp
            """
        if creation_time is None:
>           raise ValueError("Invalid value for `creation_time`, must not be `None`")
E           ValueError: Invalid value for `creation_time`, must not be `None`

tests/mixed/onezone_client/models/space.py:184: ValueError