anchor.diff:      ok = rpc:call(HeadCluster3, inter_dc_manager, add_list_dcs,[[DC1, DC2]]),
   
       simple_replication_test(Cluster1, Cluster2, Cluster3),
  +    parallel_writes_test(Cluster1, Cluster2, Cluster3),
       pass.
   
   simple_replication_test(Cluster1, Cluster2, Cluster3) ->
  
positive.code:     {ok, {_,[ReadSet6],_} }= ReadResult6,
      ?assertEqual(5, ReadSet6),
      pass.
  
negative.code: -module(multiple_dcs_test).
  
  -export([confirm/0, multiple_writes/4]).
  
  -include_lib("eunit/include/eunit.hrl").
  
  