anchor.diff:      {Ans1, StorageUUID} = rpc:call(CCM, fslogic_storage, insert_storage, [?SH, ?ARG_TEST_ROOT]),
       ?assertEqual(ok, Ans1),
   
  -    Cert = ?COMMON_FILE("peer.pem"),
  +    Cert = ?config(cert, Config),
       UserDoc = test_utils:add_user(Config, ?TEST_USER, Cert, [?TEST_USER, ?TEST_GROUP]),
       [DN | _] = user_logic:get_dn_list(UserDoc),
  -
  -    put(dn, DN),
   
       fslogic_context:set_user_dn(DN),
       Ans6 = rpc:call(CCM, erlang, apply, [
  
positive.code:     RemoveStorageAns = rpc:call(CCM, dao_lib, apply, [dao_vfs, remove_storage, [{uuid, StorageUUID}], ?ProtocolVersion]),
      ?assertEqual(ok, RemoveStorageAns),
  
      ?assertEqual(ok, rpc:call(CCM, dao_lib, apply, [dao_vfs, remove_file, ["groups/" ++ ?TEST_GROUP], ?ProtocolVersion])),
      ?assertEqual(ok, rpc:call(CCM, dao_lib, apply, [dao_vfs, remove_file, ["groups"], ?ProtocolVersion])),
  
      rpc:call(CCM, user_logic, remove_user, [{dn, DN}]).
  
  
negative.code:             {ca_dir, './cacerts/'}
          ]]),
  
      lists:append([{nodes, Nodes}, {cert, ?COMMON_FILE("peer.pem")}], Config).
  
  
  end_per_testcase(main_test, Config) ->
  