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

Build: #595 failed

Job: Groups basic failed

user removes group[1oz 1op 1oc]: Test case result

The below summarizes the result of the test " user removes group[1oz 1op 1oc]" in build 595 of Onedata Products - mixed acceptance pkg - Chrome groups basic tests.
Description
user removes group[1oz 1op 1oc]
Test class
mixed.scenarios.test_groups_basic
Method
test_user_removes_group[1oz_1op_1oc]
Duration
44 secs
Status
Failed (Existing Failure)

Error Log

AssertionError: There is no group named group1
request = <FixtureRequest for <Function 'test_user_removes_group[1oz_1op_1oc]'>>

    
>   from tests.mixed.steps.group_basic import *

tests/mixed/scenarios/test_groups_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)
tests/mixed/steps/group_basic.py:40: in assert_groups
    see_groups_using_rest(user, users, hosts, group_list, host)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

user = 'user1'
users = {'admin': <tests.utils.user_utils.AdminUser instance at 0x7f425b7add40>, 'onepanel': <tests.utils.user_utils.AdminUser...s.utils.user_utils.User instance at 0x7f425b0eb200>, 'user2': <tests.utils.user_utils.User instance at 0x7f425b4ae680>}
hosts = {'oneclient-1': {'container-id': '7018a29ee102ec1e16132680542ed87f1e362e6275d6f34e6779d7e25530005d', 'ip': '172.17.0.6...1410893f727516', 'hostname': 'dev-onezone.default.svc.cluster.local', 'ip': '172.17.0.12', 'name': 'dev-onezone', ...}}
group_list = '"group1"', host = 'onezone'

    @when(parsers.re('(?P<user>\w+) sees groups? (?P<group_list>.*) using REST'))
    @then(parsers.re('(?P<user>\w+) sees groups? (?P<group_list>.*) using REST'))
    def see_groups_using_rest(user, users, hosts, group_list, host='onezone'):
        user_client = login_to_oz(user, users[user].password, hosts[host]['hostname'])
        for group_name in parse_seq(group_list):
            assert get_group(group_name, user_client), 'There is no ' \
>                                               'group named {}'.format(group_name)
E           AssertionError: There is no group named group1

tests/mixed/steps/rest/onezone/group_management.py:38: AssertionError