added CI tests using the standard test interface

which.spec

@@ -1,7 +1,7 @@
 Summary: Displays where a particular program in your path is located
 Name: which
 Version: 2.21
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: GPLv3
 Group: Applications/System
 Source0: http://ftp.gnu.org/gnu/which/%{name}-%{version}.tar.gz
@@ -56,6 +56,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/*/*
 
 %changelog
+* Mon Feb 05 2018 Than Ngo <than@redhat.com> - 2.21-6
+- added CI tests using the standard test interface
+
 * Wed Jan 31 2018 Than Ngo <than@redhat.com> - 2.21-5
 - fixed bz#1526500 - 'declare' not found under ksh