Accepting request 923415 from home:pgajdos:python

- version update to 5.3.0
  - Add support for Python 3.9.
  - Fix `package init file missing` warning
    (`#112 <https://github.com/zopefoundation/zope.testrunner/pull/112>`_).
  - Make standard streams provide a `buffer` attribute on Python 3 when using
    `--buffer` or testing under subunit.
- %check: use %pyunittest rpm macro

OBS-URL: https://build.opensuse.org/request/show/923415
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-zope.testrunner?expand=0&rev=27

python-zope.testrunner.spec

@@ -1,7 +1,7 @@
 #
 # spec file for package python-zope.testrunner
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -26,7 +26,7 @@
 %bcond_with test
 %endif
 Name:           python-zope.testrunner
-Version:        5.2
+Version:        5.3.0
 Release:        0
 Summary:        Zope testrunner script
 License:        ZPL-2.1
@@ -69,7 +69,7 @@ find -size 0 -delete
 
 %if %{with test}
 %check
-%python_exec setup.py test
+%pyunittest src/zope/testrunner/tests/*.py
 %endif
 
 %if !%{with test}