Switch testing to Victoria testing runtime

Upating the testing template from ussuri to victoria
testing runtime
- https://governance.openstack.org/tc/reference/runtimes/victoria.html

Change-Id: Ifd65c0359509a4b59f3e876c42cef7cbf6f9ef93
diff --git a/.zuul.yaml b/.zuul.yaml
index 2945031..fc43d97 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -183,7 +183,7 @@
     templates:
       - openstack-cover-jobs
       - openstack-lower-constraints-jobs
-      - openstack-python3-ussuri-jobs
+      - openstack-python3-victoria-jobs
       - check-requirements
       - publish-openstack-docs-pti
       - release-notes-jobs-python3
diff --git a/setup.cfg b/setup.cfg
index b99f7f2..e4b9f91 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -19,6 +19,7 @@
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
 
 [files]
 packages =
diff --git a/tox.ini b/tox.ini
index c598d9e..bb5f0d7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.1.1
-envlist = pep8,py36,py37
+envlist = pep8,py36,py38
 skipsdist = True
 ignore_basepython_conflict = True