Intermittent failure of pipe_verify_basics

[beerriot]

During 1.4 testing, the verify_recursive_countdown_1 test of pipe_verify_basics was seen to fail with the message:

{{assertEqual_failed,[{module,pipe_verify_basics},
                      {line,106},
                      {expression,"Res"},
                      {expected,[{counter,0},
                                 {counter,1},
                                 {counter,2},
                                 {counter,3}]},
                      {value,[{counter,2},{counter,3}]}]},
 [{pipe_verify_basics,'-verify_recursive_countdown_1/1-fun-0-',2,
                      [{file,"tests/pipe_verify_basics.erl"},{line,106}]},
  {pipe_verify_basics,confirm,0,
                      [{file,"tests/pipe_verify_basics.erl"},{line,49}]}]}

http://giddyup.basho.com/#/projects/riak_ee/scorecards/38/38-601-pipe_verify_basics-ubuntu-1004-64/15570/artifacts/101757

No errors were present in any Riak logs.

This has been deemed non-critical for 1.4, because the recurse_input function that this test exercises is not used in Riak.