anchor.diff:      NodeDetails2 = node_details:new(PredList, Node, SuccList, Load, Hostname, RTSize, Memory),
       NodeDetails1_new = node_details:set(NodeDetails1, pred, PredTest),
       NodeDetails2_new = node_details:set(NodeDetails2, pred, PredTest),
  -    node_details_equals(NodeDetails1_new, PredTest, [PredTest], unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown) andalso
  -    node_details_equals(NodeDetails2_new, PredTest, [PredTest], Node, unknown, hd(SuccList), SuccList, Load, Hostname, RTSize, unknown, Memory).
  +    node_details_equals(NodeDetails1_new, PredTest, [PredTest], unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown, [], [pred, predlist]),
  +    node_details_equals(NodeDetails2_new, PredTest, [PredTest], Node, unknown, hd(SuccList), SuccList, Load, Hostname, RTSize, unknown, Memory, [my_range, message_log], []).
   
   -spec test_set_get_predlist(PredList::nodelist:non_empty_snodelist()) -> true.
   test_set_get_predlist(PredListTest) ->
  
positive.code:     NodeDetails2 = node_details:new(PredList, Node, SuccList, Load, Hostname, RTSize, Memory),
      NodeDetails1_new = node_details:set(NodeDetails1, predlist, PredListTest),
      NodeDetails2_new = node_details:set(NodeDetails2, predlist, PredListTest),
      node_details_equals(NodeDetails1_new, hd(PredListTest), PredListTest, unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown) andalso
      node_details_equals(NodeDetails2_new, hd(PredListTest), PredListTest, Node, unknown, hd(SuccList), SuccList, Load, Hostname, RTSize, unknown, Memory).
  
  -spec test_set_get_node(Node::node:node_type()) -> true.
  test_set_get_node(NodeTest) ->
  
negative.code:     NodeDetails2 = node_details:new(PredList, Node, SuccList, Load, Hostname, RTSize, Memory),
      NodeDetails1_new = node_details:set(NodeDetails1, hostname, HostnameTest),
      NodeDetails2_new = node_details:set(NodeDetails2, hostname, HostnameTest),
      node_details_equals(NodeDetails1_new, unknown, unknown, unknown, unknown, unknown, unknown, unknown, HostnameTest, unknown, unknown, unknown, [], [hostname]),
      node_details_equals(NodeDetails2_new, hd(PredList), PredList, Node, unknown, hd(SuccList), SuccList, Load, HostnameTest, RTSize, unknown, Memory, [my_range, message_log], []).
  
  -spec test_set_get_rt_size(RTSize::node_details:rt_size()) -> true.
  test_set_get_rt_size(RTSizeTest) ->
  