anchor.diff:      Pool11 = Pool21,                % tx pools are ordered
       ok = new_tx(#{node1  => N1,
                     node2  => N2,
  -                  amount => 1,
  +                  amount => AmountFun(Bal1),
                     sender    => PK1,
                     recipient => PK2,
                     fee    => 1}),
  
positive.code:     config({devs, [dev1, dev2]}, Config);
  init_per_group(three_nodes, Config) ->
      config({devs, [dev1, dev2, dev3]}, Config);
  init_per_group(one_blocked, Config) ->
      Config1 = config({devs, [dev1, dev2]}, Config),
      preblock_second(Config1),
  
negative.code:        mine_on_third,
         restart_third,
         no_system_metrics_logged]},
       {semantically_invalid_tx, [sequence],
        [start_first_node,
         start_second_node,
         ensure_tx_pools_empty,
         tx_first_pays_second_more_it_can_afford,
         mine_on_second,
         ensure_tx_pools_one_tx]},
       {one_blocked, [sequence],
        [start_first_node,
         mine_on_first,
         start_blocked_second]}
      ].
  
  suite() ->
  