anchor.diff:      %% Be sure they all returned ok, crash otherwise
       ok = lists:foreach(fun({_, ok}) ->
   			       ok
  -		       end, Responses).    
  +		       end, Responses).
   
   %%%%%%%%%%%%%
   %% Utils
  
positive.code: 	    wait_init:wait_ready(MyNode),
  	    ok = dc_utilities:check_registered(meta_data_sender_sup),
  	    ok = dc_utilities:check_registered(meta_data_manager_sup),
  	    ok = dc_utilities:check_registered_global(stable_meta_data_server:generate_server_name(MyNode)),
  	    {ok, MetaDataName} = dc_meta_data_utilities:get_meta_data_name(),
  	    ok = meta_data_sender:start(MetaDataName),
  
negative.code:     ok = dc_utilities:ensure_all_vnodes_running_master(clocksi_vnode_master),
      ok = dc_utilities:ensure_all_vnodes_running_master(logging_vnode_master),
      ok = dc_utilities:ensure_all_vnodes_running_master(materializer_vnode_master),
      lists:foreach(fun(Node) ->
  			  true = wait_init:wait_ready(Node),
  			  ok = rpc:call(Node, dc_utilities, check_registered, [meta_data_sender_sup]),
  			  ok = rpc:call(Node, dc_utilities, check_registered, [meta_data_manager_sup]),
  