anchor.diff:  
   all() -> 
       [t_lttng_list,
  +     t_memory_carrier,
        t_carrier_pool,
        t_async_io_pool,
        t_driver_start_stop,
  
positive.code: %% com_ericsson_otp:driver_ready_output
  t_driver_ready_input_output(Config) ->
      ok = lttng_start_event("com_ericsson_otp:driver_ready_*", Config),
      Me = self(),
      Pid = spawn_link(fun() -> tcp_server(Me, active) end),
      receive {Pid, accept} -> ok end,
  
negative.code:      t_driver_timeout,
       t_driver_caller,
       t_driver_flush,
       t_scheduler_poll].
  
  
  init_per_suite(Config) ->
  