anchor.diff:  %% Note that Node1 must be considerably ahead to make sure Node2 does not
   %% create a fork with higher difficulty in the time Node1 restarts.
   stop_and_continue_sync(Cfg) ->
  -    NodeStartupTime = proplists:get_value(node_startup_time, Cfg),
  -
       %% Create a chain long enough to need 10 seconds to fetch it
       Length = 150,
   
  
positive.code:     %% This requires some time
  
      start_node(standalone_node, Cfg),
      wait_for_value({height, 0}, [standalone_node], NodeStartupTime, Cfg),
  
      ct:log("Node restarted and ready to go"),
  
  
negative.code: %% A node with a newer version of the code can join and synchronize
  %% to a cluster of older nodes.
  new_node_joins_network(Cfg) ->
      Compatible = "aeternity/epoch:local", %% Latest version it should be compatible with
                                            %% Change if comptibility with previous version
                                            %% should be guaranteed
  