anchor.diff:  
   groups() ->
       [{merge_tests, [sequence], [
  -                                test_merge
  +                                test_merge,
  +                                test_merge_with_renewal_before_step1,
  +                                test_merge_with_renewal_after_step1,
  +                                test_merge_with_renewal_after_step2,
  +                                test_merge_with_renewal_after_step3
                                  ]},
        {split_tests, [sequence], [
                                   test_split
  
positive.code:     ?assert(l_on_cseq:get_id(ActiveLease) =:= l_on_cseq:get_id(L2)),
      ?assert(l_on_cseq:get_id(PassiveLease) =:= l_on_cseq:get_id(L1)),
      true.
  
negative.code:         {fail, not_found} -> ?assert(false)
      end,
      true.
  
  test_merge_with_renewal_before_step1(_Config) ->
      test_merge_with_renewal_at(_Config, merge, first).
  
  test_merge_with_renewal_after_step1(_Config) ->
      test_merge_with_renewal_at(_Config, merge_reply_step1, second).
  
  test_merge_with_renewal_after_step2(_Config) ->
      test_merge_with_renewal_at(_Config, merge_reply_step2, first).
  
  test_merge_with_renewal_after_step3(_Config) ->
      test_merge_with_renewal_at(_Config, merge_reply_step3, second).
  
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %
  