anchor.diff:  
       Top = lists:last(N1Blocks2),
       ?assertEqual(key, aec_blocks:type(Top)),
  -    siblings_common(Top, N1, N2, Account1, Account2, _Fraud = false).
  +    siblings_common(Top, N1, N2, Account1, Account2).
   
   
   siblings_on_micro_block(Config) ->
  
positive.code: 
      ?assertEqual(micro, aec_blocks:type(Top)),
  
      siblings_common(Top, N1, N2, Account1, Account2, _Fraud = true).
  
  ensure_top_is_a_micro(_Node,_Account, Nonce) when Nonce > 5 ->
      %% We give it five attempts then fail.
  
negative.code:         key -> ensure_top_is_a_micro(Node, Account, Nonce + 1)
      end.
  
  siblings_common(TopBlock, N1, N2, Account1, Account2) ->
      ct:pal("Waiting for sync"),
      %% Wait until the chain is synced.
      {ok, ExpectedTop1} = aec_blocks:hash_internal_representation(TopBlock),
  