anchor.diff:  
   set_up_net_kernel() ->
       {A, B, C} = erlang:now(),
  -    NodeName = "setup_node_" ++ integer_to_list(A, 32) ++ integer_to_list(B, 32) ++ integer_to_list(C, 32) ++ "@172.16.67.64",
  +    NodeName = "setup_node_" ++ integer_to_list(A, 32) ++ integer_to_list(B, 32) ++ integer_to_list(C, 32) ++ "@127.0.0.1",
       net_kernel:start([list_to_atom(NodeName), longnames]),
       erlang:set_cookie(node(), ?default_cookie).
   
  
positive.code: 
  -define(INFO(X, Y), io:format(X ++ "~n", Y)).
  
  -define(default_cookie, '172.16.67.64').
  -define(default_ccm_name, "ccm1").
  -define(default_worker_name, "ccm1_worker").
  
  -define(CCM_NODE_NAME, list_to_atom(?default_ccm_name ++ "@" ++ os:getenv("CLUSTER_NODE"))).
  -define(WORKER_NODE_NAME, list_to_atom(?default_worker_name ++ "@" ++ os:getenv("CLUSTER_NODE"))).
  
negative.code: 
      CTX_CCM = call(?CCM_NODE_NAME, fun() -> setup(ccm, TestName) end),
      CTX_W = call(?WORKER_NODE_NAME, fun() -> setup(worker, TestName) end),
      
      CMD = "TEST_NAME=\"" ++ TestName ++"\" TEST_RUNNER=\"" ++ escript:script_name() ++ "\" ./" ++ TestName ++ "_i " ++ string:join(Args, " "),
      ?INFO("CMD: ~p", [CMD]),
      ?INFO("STDOUT: ~s", [os:cmd(CMD)]),
  