ci(kitchen): add Kitchen tests

test/integration/default/controls/package_spec.rb

@@ -0,0 +1,15 @@
+control 'Cron package' do
+  title 'should be installed'
+
+  package_name =
+    case os[:family]
+    when 'debian'
+      'cron'
+    else
+      'cronie'
+    end
+
+  describe package(package_name) do
+    it { should be_installed }
+  end
+end