From 7d2a0fd66f094ec46a2d76d0546ff633602c8e87 Mon Sep 17 00:00:00 2001
From: Karim Nakad <knakad@amazon.com>
Date: Wed, 25 Sep 2019 10:56:27 -0700
Subject: [PATCH] change: stop unit test code checks from running in parallel

There seems to be a ~5% failure rate when the code checks are run in
parallel. This change adds a minute or two to the unit tests running
in the pipeline, but avoids the small failure rate that may confuse
contributors.
---
 buildspec-unittests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/buildspec-unittests.yml b/buildspec-unittests.yml
index 62e69ac50e..3b2d17d9db 100644
--- a/buildspec-unittests.yml
+++ b/buildspec-unittests.yml
@@ -7,7 +7,7 @@ phases:
       - TOX_PARALLEL_NO_SPINNER=1
       - PY_COLORS=0
       - start_time=`date +%s`
-      - tox -e flake8,pylint,twine,black-check --parallel all
+      - tox -e flake8,pylint,twine,black-check
       - ./ci-scripts/displaytime.sh 'flake8,pylint,twine,black-check' $start_time
 
       - start_time=`date +%s`