anchor.diff:       
   api_cases() ->
       [
  +     {group, api_misc},
        {group, api_basic},
        {group, api_async},
        {group, api_options},
        {group, api_op_with_timeout}
  +    ].
  +
  +api_misc_cases() ->
  +    [
  +     api_m_debug
       ].
   
   api_basic_cases() ->
  
positive.code: 
  groups() -> 
      [{api,                        [], api_cases()},
       {api_basic,                  [], api_basic_cases()},
       {api_async,                  [], api_async_cases()},
       {api_options,                [], api_options_cases()},
  
negative.code: 
  %% Test cases
  -export([
           %% *** API Misc ***
           api_m_debug/1,
  
           %% *** API Basic ***
           api_b_open_and_close_udp4/1,
           api_b_open_and_close_tcp4/1,
  