anchor.diff:  confirm() ->
       [Nodes] = rt:build_clusters([3]),
       lager:info("Nodes: ~p", [Nodes]),
  -    clockSI_test1(Nodes),
  -    clockSI_test2 (Nodes),
  +    %clockSI_test1(Nodes),
  +    %clockSI_test2 (Nodes),
       clockSI_test3 (Nodes),
       %clockSI_test4 (Nodes),
       clockSI_test_read_time(Nodes),
  
positive.code: clockSI_test3(Nodes) ->
  	lager:info("Test3 started"),
  	FirstNode = hd(Nodes),
      Result= rpc:call(FirstNode, floppy, clockSI_bulk_update, [now(), [{update, 3, {increment, a}}, {update, 3, {increment, a}}]]),
      ?assertMatch({ok, _}, Result),
      Result2= rpc:call(FirstNode, floppy, clockSI_read, [now(), 3, riak_dt_pncounter]),
      {ok, {_, ReadSet, _}}=Result2,
  
negative.code:     %rpc:call(LastNode, floppy, clockSI_iread, [TxId1, read_wait_test, riak_dt_pncounter])
      
      ReadResult1=spawn(rpc, call, [LastNode, floppy, clockSI_iread, [TxId1, read_wait_test, riak_dt_pncounter]]),
      timer:sleep(2000),
      
      %% commit the first tx.
      End=rpc:call(FirstNode, floppy, clockSI_icommit, [TxId]),   
  