From 33e4e24df59605a9e2187f410f470a11d0549c8f Mon Sep 17 00:00:00 2001
From: Ghanshyam Mann <gmann@ghanshyammann.com>
Date: Thu, 20 Jul 2023 15:38:37 -0500
Subject: [PATCH] Run test_port_security_macspoofing_port slow tests serially

Below commit made all the slow test run parallel
which has improved the tempest-slow time to almost
half. But there are some issue in running the
test_port_security_macspoofing_port slow scenario tests
in parallel and it fail many time

https://storage.bhs.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_db5/887220/5/check/tempest-slow-py3/db5adef/testr_results.html

Let's run this test in serial and see if we hit
any other test like this which is causing issue while
running on parallel.

Change-Id: Id0762a51f7ff72905c6c05bdff2e18321d616c91
---
 tox.ini | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tox.ini b/tox.ini
index 47ef5ebc29..027442a3d6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -328,10 +328,15 @@ basepython = {[tempestenv]basepython}
 setenv = {[tempestenv]setenv}
 deps = {[tempestenv]deps}
 # The regex below is used to select the slow tagged tests:
-regex = '\[.*\bslow\b.*\]'
+regex1 = '(.*\[.*\bslow\b.*\])'
+regex2 = 'test_port_security_macspoofing_port'
+# The regex below is used to run slow test in parallel except
+# test_port_security_macspoofing_port which fail many times
+# while running in parallel
 commands =
     find . -type f -name "*.pyc" -delete
-    tempest run --regex {[testenv:slow]regex} {posargs}
+    tempest run --regex {[testenv:slow]regex1} --exclude-regex {[testenv:slow]regex2} {posargs}
+    tempest run --combine --serial --regex {[testenv:slow]regex2} {posargs}
 
 [testenv:multinode]
 envdir = .tox/tempest