AttributeError: 'NoneType' object has no attribute 'elements_list'
request = <FixtureRequest for <Function 'test_user_successfully_removes_group_from_harvester_with_remove_group_privilege[1oz_1op_elasticsearch]'>>

    @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: 
(37 more lines...)

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100  4658  100  4658    0     0  15576      0 --:--:-- --:--:-- --:--:-- 15630
Error response from daemon: Cannot kill container: 5171b23031b4: Container 5171b23031b4d5dd0f58fa00b51d4ba41561cff558d67fecd07b41f71de90658 is not running
tput: unknown terminal "unknown"
Cloning into 'bamboos'...
Cloning into 'cdmi_swagger'...
Cloning into 'one_env'...
Cloning into 'onepanel_swagger'...
Cloning into 'bamboos'...
Cloning into 'oneprovider_swagger'...
Cloning into 'bamboos'...
Cloning into 'onezone_swagger'...
Cloning into 'bamboos'...
Error from server (AlreadyExists): clusterrolebindings.rbac.authorization.k8s.io "serviceaccounts-cluster-admin" already exists
Unable to find image 'onedata/acceptance_gui:v8' locally
v8: Pulling from onedata/acceptance_gui
a1298f4ce990: Already exists
04a3282d9c4b: Already exists
9b0d3db6dc03: Already exists
8269c605f3f1: Already exists
c810ae7364ef: Already exists
78d356e6ec21: Already exists
792b20546d07: Already exists
c1d3130a77b3: Already exists
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114ec36e4007: Already exists
2bc588dde0c7: Already exists
89641d7ca7e2: Already exists
b6cd4b44aa19: Already exists
e1c77802a505: Already exists
f373aa611054: Already exists
Digest: sha256:97e4de524ef380ad8c07bf6c71280c378a5e0179834942ff0e6c0007d32b148c
Status: Downloaded newer image for onedata/acceptance_gui:v8
Error: Could not create /home/bamboo/.helm: mkdir /home/bamboo/.helm: permission denied
Error from server (AlreadyExists): clusterrolebindings.rbac.authorization.k8s.io "serviceaccounts-cluster-admin" already exists
Error from server (AlreadyExists): clusterrolebindings.rbac.authorization.k8s.io "serviceaccounts-cluster-admin" already exists
cp: cannot stat 'onedata/one_env/sources_info.yaml': No such file or directory
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100  4658  100  4658    0     0  13286      0 --:--:-- --:--:-- --:--:-- 13270
Error response from daemon: Cannot kill container: 59a83049deff: Container 59a83049deffce464d9a72d855614369b83ab9d8d7040881317869a2cdedd7f4 is not running
Error response from daemon: Cannot kill container: 7e8292032c7c: Container 7e8292032c7ca96247e3162c79d7c5c3bd36d66a831aa4ced0fedd7cca31e0c5 is not running
Error response from daemon: Cannot kill container: 2fee12b80dc7: Container 2fee12b80dc7abf735d6124d7e68dfcd73494694b44e2059b8fbde885ba9ea6e is not running
Error response from daemon: Cannot kill container: 219c9240899a: Container 219c9240899a6687beb8feab376f497d68cddbc656eea28721b82b282620c7e5 is not running
Error response from daemon: Cannot kill container: 94d4539e2346: Container 94d4539e2346f8f18989f671605cd2693354b584834f8a2f1ba69f0e9b35d3d2 is not running
Error response from daemon: Cannot kill container: 2ca6fbd54be0: Container 2ca6fbd54be0a6bc7e365afd1b5a312e62dc95b968fa0e703833aa14512a8b66 is not running
Error response from daemon: Cannot kill container: 259c3054691c: Container 259c3054691c4a12e9b68a1570ac1267ddeab5039620d929d6065c467d4ec6a8 is not running
Error response from daemon: Cannot kill container: e5d33861db9a: Container e5d33861db9a5546e3ff639ada9f5bdc22fe84fec8f86f83c236cc31db457447 is not running
Error response from daemon: Cannot kill container: 8c7162fdf08f: Container 8c7162fdf08faf2ce190793238aa103ed8d153eabadbf87a20f223daa2236f28 is not running
Error response from daemon: Cannot kill container: 53cb10754b04: Container 53cb10754b0408ac13e14aa98bee6099b4bef4818903800f88016f788f8d8409 is not running
Error response from daemon: Cannot kill container: 6f328346d403: Container 6f328346d40302a32ae2664dd14083735897aa25ab9a22f492cf34f479f9c058 is not running
Error response from daemon: Cannot kill container: db946c8c80b7: Container db946c8c80b79433bc84786c92a41a2f9137b7c405335b008d015bad8c98fe8b is not running
Error response from daemon: Cannot kill container: 2966b3beed48: Container 2966b3beed48c97d1ec565f6ed37b3d58f5ba6ac5b666266747412cec1a2c477 is not running
Error response from daemon: Cannot kill container: 1c4a13a84ccd: Container 1c4a13a84ccd97bbfdf19452e4738af9c4c355fc6d879776766f4e44faae81d3 is not running
Error response from daemon: Cannot kill container: 7c4e07dfc44a: Container 7c4e07dfc44ab4e69b36d4ccdd299d63efbf82e494dc19af0a413db0782c01c1 is not running
Error response from daemon: Cannot kill container: 7eb06c36138c: Container 7eb06c36138cd274115aff9a5ca11180db968e8594e6807413ed9f0f2d167444 is not running