Race condition in test suite? about rig HOT 1 OPEN

16:53 $ git clone [email protected]:lpgauth/rig.git
Cloning into 'rig'...
remote: Enumerating objects: 9, done.
remote: Counting objects: 100% (9/9), done.
remote: Compressing objects: 100% (8/8), done.
remote: Total 154 (delta 0), reused 3 (delta 0), pack-reused 145
Receiving objects: 100% (154/154), 1.11 MiB | 1.80 MiB/s, done.
Resolving deltas: 100% (68/68), done.
✔ ~/Git
16:54 $ cd rig/
✔ ~/Git/rig [master|✔]
16:54 $ make test
Running elvis rock...
Loading files...
Loading src/rig.erl
Loading src/rig_app.erl
Loading src/rig_index.erl
Loading src/rig_server.erl
Loading src/rig_sup.erl
Loading src/rig_utils.erl
Loading test/rig_tests.erl
Loading test/test_config.erl
Applying rules...
# src/rig.erl [OK]
# src/rig_app.erl [OK]
# src/rig_index.erl [OK]
# src/rig_server.erl [OK]
# src/rig_sup.erl [OK]
# src/rig_utils.erl [OK]
# test/rig_tests.erl [OK]
# test/test_config.erl [OK]
Loading files...
Loading elvis.config
Applying rules...
# elvis.config [OK]
Running rebar3 xref...
===> Verifying dependencies...
===> Fetching metal ({git,"http://github.com/lpgauth/metal.git",
                                 {ref,"bbc3f9fa3fa83fa138096234e79ecb61265cadf5"}})
===> Compiling metal
===> Compiling rig
===> Running cross reference analysis...
Running rebar3 eunit...
===> Fetching coveralls ({git,"https://github.com/markusn/coveralls-erl",
                                     {branch,"master"}})
===> Compiling coveralls
===> Verifying dependencies...
===> Linking _build/default/lib/metal to _build/test/lib/metal
===> Compiling rig
===> Performing EUnit tests...
======================== EUnit ========================
file "rig.app"
  application 'rig'
    module 'rig'
      rig_tests: rig_test (module 'rig_tests')...[0.012 s] ok
      [done in 0.015 s]
    module 'rig_app'
    module 'rig_index'
    module 'rig_server'
    module 'rig_sup'
    module 'rig_utils'
    [done in 0.043 s]
  [done in 0.048 s]
module 'test_config'
=======================================================
  Test passed.
===> Performing cover analysis...
  |------------------------|------------|
  |                module  |  coverage  |
  |------------------------|------------|
  |             rig_utils  |       91%  |
  |                   rig  |      100%  |
  |             rig_index  |      100%  |
  |            rig_server  |       79%  |
  |               rig_app  |      100%  |
  |               rig_sup  |      100%  |
  |------------------------|------------|
  |                 total  |       95%  |
  |------------------------|------------|
  coverage calculated from:
    /Users/lp.gauthier/Git/rig/_build/test/cover/eunit.coverdata
  cover summary written to: /Users/lp.gauthier/Git/rig/_build/test/cover/index.html
Running rebar3 dialyze...
===> Verifying dependencies...
===> Compiling rig
===> Dialyzer starting, this may take a while...
===> Updating plt...
===> Resolving files...
===> Updating base plt...
===> Resolving files...
===> Checking 191 files in "/Users/lp.gauthier/.cache/rebar3/rebar3_21.2.6_plt"...
===> Copying "/Users/lp.gauthier/.cache/rebar3/rebar3_21.2.6_plt" to "/Users/lp.gauthier/Git/rig/_build/default/rebar3_21.2.6_plt"...
===> Checking 191 files in "/Users/lp.gauthier/Git/rig/_build/default/rebar3_21.2.6_plt"...
===> Adding 1 files to "/Users/lp.gauthier/Git/rig/_build/default/rebar3_21.2.6_plt"...
===> Doing success typing analysis...
===> Resolving files...
===> Analyzing 6 files with "/Users/lp.gauthier/Git/rig/_build/default/rebar3_21.2.6_plt"...