anchor.diff:  
       {ok, CloseTxHash, IChange, RChange} = sc_close_mutual(Chan, initiator),
   
  -    ?assertEqual(IAmt - 20 - OpenFee, IChange),
  -    ?assertEqual(RAmt - 50, RChange),
  +    ?assertEqual(IAmt - 20 - OpenFee - PushAmount, IChange),
  +    ?assertEqual(RAmt - 50 + PushAmount, RChange),
       
       wait_for_value({txs_on_chain, [CloseTxHash]}, NodeNames, 5000, Cfg),
       wait_for_value({balance, maps:get(pubkey, IAccount), 200 - IAmt - OpenFee + 20 - WFee1 + IChange}, NodeNames, 10000, Cfg),
  
positive.code:         initiator_amount => 80,
          responder_node => node1,
          responder_id => ?ALICE,
          responder_amount => 80
      },
      simple_channel_test(ChannelOpts, Cfg).
  
  
negative.code:         initiator_amount => 80,
          responder_node => node2,
          responder_id => ?ALICE,
          responder_amount => 80,
          push_amount => 2
      },
      simple_channel_test(ChannelOpts, Cfg).
  
  