anchor.diff:          }
         ]
       },
  -    {node3,
  +    {ok,node3,
         [
           {
             {{127,0,0,1},1234},
             1234
           }
         ]
  -    }
  +    },
  +    {bad_node,<<"node4">>}
     ],
     ?assertNotException(_,_,iotlb_stats_json:encode_stats(Stats)).
  
positive.code:         }
        ]
      },
      {"node2",
        [
          {
            {{127,0,0,1},1234},
  
negative.code: 
  simple_test() ->
    Stats = [
      {ok,<<"node1">>,
        [
          {
            {{127,0,0,1},1234},
  