anchor.diff:          "/spaces/0/groups/0/privileges", "/spaces/0/providers",
           "/spaces/0/providers/token", "/spaces/0/providers/0"
       ],
  -    {RestAddress, Headers, Options} = ProviderReqParams,
  +    {RestAddress, Headers, _Options} = ProviderReqParams,
       %% Send requests without certs (no options)
       check_bad_requests(RequireCerts, get, <<"">>, {RestAddress, Headers, []}),
   
  
positive.code: group_privilege_check(group_leave_space, Users, GID, SID) ->
      [{_UserId1, UserReqParams1}, {UserId2, UserReqParams2} | _] = Users,
      InvitationToken = get_space_invitation_token(groups, SID, UserReqParams1),
      R1 = join_group_to_space(InvitationToken, GID, UserReqParams1),
      %% test if user2 lacks group_leaves_space privileges
      ?assertMatch({bad_response_code, _},
          check_status(group_leaves_space(GID, SID, UserReqParams2))),
      R2 = set_group_privileges_of_user(GID, UserId2, [group_leave_space], UserReqParams1),
      ?assertMatch(ok, check_status(group_leaves_space(GID, SID, UserReqParams2))),
      clean_group_privileges(GID, UserId2, UserReqParams1);
  
  
negative.code:     join_user_to_space(InvitationToken, UserReqParams2),
  
      SupportToken = get_space_support_token(SID, UserReqParams1),
      support_space(SupportToken, ?SPACE_SIZE1, ProviderReqParams),
  
      Users = [{UserId1, UserReqParams1}, {UserId2, UserReqParams2}, {UserId3, UserReqParams3}],
  
  