anchor.diff:      rpc:cast(N1,f,call_f2_when_isolated,[]),
   
       %% Disconnect and check that node is removed from main cover node
  -    net_kernel:disconnect(N1),
  +    true = net_kernel:disconnect(N1),
       timer:sleep(500), % allow some to detect disconnect and for f:f2() call
  -    [] = cover:which_nodes(),
  +    cover_which_nodes([]),
   
       %% Do some add one module (b) and remove one module (a)
       code:purge(a),
  
positive.code: 
  check_f_calls(F1,F2) ->
      {ok,[{{f,f1,0},F1},{{f,f2,0},F2}|_]} = cover:analyse(f,calls,function).
  
negative.code: 
      %% Kill the node
      rpc:call(N1,erlang,halt,[]),
      cover_which_nodes([]),
  
      check_f_calls(1,0), % only the first call - before the flush
  
  