anchor.diff:                         {memcached, "memcached old something"}]},
                        {{node, node(), ns_log}, default_log}]],
                erlang:put(capi_port_override, 5984),
  +             erlang:put(node_uuid_override, <<"--uuid--">>),
                ets:new(path_config_override, [public, named_table, {read_concurrency, true}]),
                [ets:insert(path_config_override, {K, "."}) || K <- [path_config_tmpdir, path_config_datadir,
                                                                     path_config_bindir, path_config_libdir,
  
positive.code:     Cfg = [[{{node, node(), rest}, something},
              {remote_clusters, foobar}]],
      DefaultCfg = [{{node, node(), rest}, somethingelse},
                    {remote_clusters, foobar_2},
                    {autocompaction, compaction_something}],
      Result = do_upgrade_config_from_1_7_2_to_2_0(Cfg, DefaultCfg),
      ?assertEqual([{set, {node, node(), rest}, somethingelse},
                    {set, autocompaction, compaction_something}],
                   Result).
  
  
negative.code:     CAPIPort = case erlang:get(capi_port_override) of
                     undefined -> list_to_integer(couch_config:get("httpd", "port", "5984"));
                     CAPIVal -> CAPIVal
                 end,
  
      NodeUUID = case erlang:get(node_uuid_override) of
                     undefined -> couch_uuids:new();
                     UUIDVal -> UUIDVal
                 end,
  
      [{directory, path_config:component_path(data, "config")},
  