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

Build: #214 was successful

Job: LUMA multiprovider tests was successful

user not in luma cannot create file: Test case result

The below summarizes the result of the test " user not in luma cannot create file" in build 214 of Onedata Products - mixed acceptance pkg - LUMA multiprovider tests.
Description
user not in luma cannot create file
Test class
mixed_oneclient.scenarios.test_luma_multiprovider
Method
test_user_not_in_luma_cannot_create_file
Jira Issue
Duration
2 mins
Status
Failed (Existing Failure)

Error Log

RuntimeError: File file2 exists on client client_host2 when it shouldn't: ; -rw-r--r-- 1 1476400 915863 0 Sep 27 09:26 /mnt/oneclient/joe/krk-pl-par-c/file2
request = <FixtureRequest for <Function 'test_user_not_in_luma_cannot_create_file'>>

    
>   from tests.mixed_oneclient.steps.luma.common import *

tests/mixed_oneclient/scenarios/test_luma_multiprovider.py:45: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
/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_oneclient/steps/oneclient/common.py:71: in assert_files_exist
    .format(filename, client))
<decorator-gen-402>:2: in do_ls
    ???
tests/gui/utils/generic.py:110: in wrapper
    return fun(*args, **kwargs)
tests/utils/oneclient_utils.py:22: in do_ls
    should_fail=should_fail, error=error).split('\n')
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

cmd = ['kubectl', 'exec', 'dev-oneclient-paris-6b66f954bb-fkks7', '--', 'ls', '-Ald', ...]
error = "File file2 exists on client client_host2 when it shouldn't"
should_fail = True

    def execute_command(cmd, error=None, should_fail=False):
        process = subprocess.Popen(cmd, stdout=subprocess.PIPE,
                                   stderr=subprocess.PIPE)
        output, err = process.communicate()
        if (process.returncode != 0) ^ should_fail:
            raise RuntimeError('{}: {}; {}'.format(error, err, output) if error
                               else 'Command did not fail: {}, Err: {}, Output: {}'
                               .format(' '.join(cmd), err, output)
                               if should_fail else 'Error when executing command '
>                              '"{}": {}; {}'.format(' '.join(cmd), err, output))
E           RuntimeError: File file2 exists on client client_host2 when it shouldn't: ; -rw-r--r-- 1 1476400 915863 0 Sep 27 09:26 /mnt/oneclient/joe/krk-pl-par-c/file2

tests/utils/acceptance_utils.py:70: RuntimeError