anchor.diff:              end, Acc, MetricsConfigs)
           end, #{}, ConfigMap),
   
  -        % Test getting all metrics
           Keys = get_all_keys(Worker, ?MEM_DRV(Model), ?MEM_CTX(Model)) -- InitialKeys,
   
           % Test if documents deleted from disc are fetched when needed
  
positive.code:             ok;
          Driver ->
              Ctx = datastore_multiplier:extend_name(Key, ?MEM_CTX(Model)),
              ?assertMatch({error, not_found},
                  rpc:call(Worker, Driver, get, [
                      Ctx, ?UNIQUE_KEY(Model, Key)
                  ])
              )
      end.
  
  assert_on_disc(Worker, Model, Key) ->
  
negative.code:     end.
  
  assert_not_in_memory(Worker, Model, Key) ->
      assert_key_not_in_memory(Worker, Model, ?UNIQUE_KEY(Model, Key)).
  
  assert_key_not_in_memory(Worker, Model, Key) ->
      case ?MEM_DRV(Model) of
  