anchor.diff:  -define(STARTUP_TIMEOUT, 10000).
   -define(SYNC_TIMEOUT,      100).
   
  --define(OLD_NODE1, #{
  -    name    => old_node1,
  -    peers   => [old_node2],
  -    backend => aest_docker,
  -    source  => {pull, "aeternity/epoch:v0.11.1"}
  -}).
  -
  --define(OLD_NODE2, #{
  -    name    => old_node2,
  -    peers   => [old_node1],
  -    backend => aest_docker,
  -    source  => {pull, "aeternity/epoch:v0.11.1"}
  -}).
  -
  --define(NEW_NODE1, #{
  -    name    => new_node1,
  -    peers   => [old_node1],
  -    backend => aest_docker,
  -    source  => {pull, "aeternity/epoch:local"}
  -}).
  -
   -define(STANDALONE_NODE, #{
       name    => standalone_node,
       peers   => [],
       backend => aest_docker,
       source  => {pull, "aeternity/epoch:local"}
   }).
  -
   
   %% By default, this node only connects to network `net1` even though
   %% it has a `net2_node1` as a peer. It means that if it is not connected
  
positive.code:     %% Waits enough for node 3 to sync but not for it to build a new chain
      wait_for_value({height, Length}, [new_node1], MiningTime * 3, Cfg),
      ct:log("Node 3 on same height"),
      Height3 = request(new_node1, [v2, 'block-by-height'], #{height => Length}, Cfg),
      ct:log("Node 3 at height ~p: ~p~n", [Length, Height3]),
  
      %% Checks node 3 is synchronized with nodes 1 and 2
      ?assertEqual(Height1, Height3),
  
negative.code:     Length = 20,
      NodeStartupTime = proplists:get_value(node_startup_time, Cfg),
  
      Compatible = "aeternity/epoch:local", %% Latest version it should be compatible with
      ct:log("Testing compatiblity of epoch:local with ~p", [Compatible]),
  
      OldNode1 = #{ 
        name    => old_node1,
        peers   => [old_node2],
        backend => aest_docker,
        source  => {pull, Compatible}},
    
    
      OldNode2 = #{
        name    => old_node2,
        peers   => [old_node1],
        backend => aest_docker,
        source  => {pull, Compatible}},
  
      NewNode =  #{
        name    => new_node1,
        peers   => [old_node1],
        backend => aest_docker,
        source  => {pull, "aeternity/epoch:local"}},
    
      setup_nodes([OldNode1, OldNode2, NewNode], Cfg),
  
      %% Starts a chain with two nodes
      start_node(old_node1, Cfg),
  