Add autopkgtest.

debian/changelog

 python-oslo.service (2.8.0-2) unstable; urgency=medium
 
   * Uploading to unstable.
+  * Add autopkgtest.
 
  -- Thomas Goirand <zigo@debian.org>  Fri, 25 Mar 2022 09:07:16 +0100
 

debian/tests/control

+Tests: unittests
+Depends:
+ @,
+ @builddeps@,
+Restrictions: allow-stderr needs-root

debian/tests/unittests

+#!/bin/sh
+
+set -e
+
+pkgos-dh_auto_test --no-py2 'oslo_service\.tests\.(?!(.*test_wsgi\.TestWSGIServerWithSSL\.test_app_using_ipv6_and_ssl.*|.*test_wsgi\.TestWSGIServerWithSSL\.test_ssl_server.*|.*test_wsgi\.TestWSGIServerWithSSL\.test_two_servers.*|.*test_service\.EventletServerServiceLauncherTest\.test_graceful_stop_with_exceeded_graceful_shutdown_timeout.*|.*test_service.EventletServerServiceLauncherTest.test_shuts_down_on_sigint_when_client_connected.*|.*test_service.ServiceLauncherTest.test_child_signal_sighup.*|.*test_service.ProcessLauncherTest.test_stop.*))'