Add autopkgtests

debian/changelog

@@ -6,8 +6,9 @@ python-publicsuffix2 (2.20191221-2) unstable; urgency=medium
   * Add tests from upstream (GitHub - not included in sdist)
   * Extend use-system-psl.patch to cover more cases
   * Run tests during build
+  * Add autopkgtests
 
- -- Scott Kitterman <scott@kitterman.com>  Sat, 25 Jan 2020 16:19:00 -0500
+ -- Scott Kitterman <scott@kitterman.com>  Sat, 25 Jan 2020 16:30:47 -0500
 
 python-publicsuffix2 (2.20191221-1) unstable; urgency=low
 

debian/tests/control

+Tests: py3
+Depends: @, python3-all,
+Restrictions: allow-stderr

debian/tests/py3

+#! /bin/sh
+
+#!/bin/bash
+set -e
+
+# Test for all supported python3 versions so we find out if there are any
+# issues with a new python3 version before it is the default version.
+for py3vers in $(py3versions -s); do
+    echo "Testing with $py3vers:"
+    $py3vers -m unittest discover -v
+done