anchor.diff:  
   all() ->
       [call_trace, return_trace, send, receive_trace,
  -     process_events, schedule, fake_schedule,
  -     fake_schedule_after_register,
  -     fake_schedule_after_getting_linked,
  -     fake_schedule_after_getting_unlinked, gc,
  +     process_events, schedule, gc,
        default_tracer, tracer_port_crash].
   
   %% Test sending call trace messages to a port.
  
positive.code: 	 receive_trace/1,
  	 process_events/1,
  	 schedule/1,
  	 fake_schedule/1,
  	 fake_schedule_after_register/1,
  	 fake_schedule_after_getting_linked/1,
  	 fake_schedule_after_getting_unlinked/1,
  	 gc/1,
  	 default_tracer/1,
  	 tracer_port_crash/1]).
  
negative.code:     expect({trace_ts,Receiver,in,{?MODULE,receiver,0},ts}),
      expect({trace_ts,Receiver,out,{?MODULE,receiver,0},ts}),
  
      ok.
  
  %% Test sending garbage collection events to a port.
  