anchor.diff:  all() ->
       [increment_test_2, increment_test_4, increment_test_8].
   
  -suite() -> [ {timetrap, {seconds, 120}} ].
  +suite() -> [ {timetrap, {seconds, 620}} ].
   
   init_per_suite(Config) ->
       Config2 = unittest_helper:init_per_suite(Config),
  
positive.code: %  @copyright 2008-2012 Zuse Institute Berlin
  %
  %   Licensed under the Apache License, Version 2.0 (the "License");
  %   you may not use this file except in compliance with the License.
  
negative.code:     ?equals(api_tx:write("i", 0), {ok}),
  
      Self = self(),
      Count = 200 div N,
      _ = [ spawn(api_tx_concurrent_SUITE, process, [Self, Key, Count])
            || _ <- lists:seq(1, N) ],
  
  