anchor.diff:  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   
   all() -> 
  -    [single_user_light_load,
  -     single_user_medium_load, single_user_heavy_load,
  -     single_user_extreme_load, multi_user_light_load,
  -     multi_user_medium_load, multi_user_heavy_load,
  -     multi_user_extreme_load].
  +    [
  +     {group, single},
  +     {group, multi}
  +    ].
   
   groups() -> 
  -    [].
  -
  +    [
  +     {single, [], single_cases()},
  +     {multi,  [], multi_cases()}
  +    ].
  +
  +single_cases() ->
  +    [
  +     single_user_light_load,
  +     single_user_medium_load,
  +     single_user_heavy_load,
  +     single_user_extreme_load
  +    ].
  +
  +multi_cases() ->
  +    [
  +     multi_user_light_load,
  +     multi_user_medium_load,
  +     multi_user_heavy_load,
  +     multi_user_extreme_load
  +    ].
  +    
   init_per_group(_GroupName, Config) ->
       Config.
   
  
positive.code: %%----------------------------------------------------------------------
  -module(megaco_load_test).
  
  -compile(export_all).
  
  -include("megaco_test_lib.hrl").
  -include_lib("megaco/include/megaco.hrl").
  
negative.code: 	    exit("Test node must be started with '-sname'")
      end.
  
  maybe_display_system_info(NumLoaders) when NumLoaders > 50 ->
      [{display_system_info, timer:seconds(2)}];
  maybe_display_system_info(NumLoaders) when NumLoaders > 10 ->
  