Add test-kitchen configuration

.gitignore

+*.swp
+.kitchen/
+.kitchen.local.yml

.kitchen.yml

+---
+driver:
+  name: vagrant
+
+platforms:
+  - name: centos-6.8
+  - name: centos-7.2
+  - name: ubuntu-14.04
+  - name: ubuntu-16.04
+  - name: debian-8.5
+
+provisioner:
+  name: salt_solo
+  salt_install: bootstrap
+  salt_bootstrap_url: https://bootstrap.saltstack.com
+  salt_version: latest
+  formula: openssh
+  pillars:
+    top.sls:
+      base:
+        '*':
+          - openssl
+    openssl.sls:
+      sshd_enable: true
+
+suites:
+  - name: default
+    provisioner:
+      salt_bootstrap_options: -X -d
+      state_top:
+        base:
+          '*':
+            - openssh.config

test/integration/default/serverspec/openssl_server_spec.rb

+require 'serverspec'
+set :backend, :exec
+
+def service_name()
+  return case os[:family]
+    when 'redhat' then 'sshd'
+    when 'debian', 'ubuntu' then 'ssh'
+  end
+end
+
+describe 'openssl/config.sls' do
+
+  describe service(service_name()) do
+    it { should be_running }
+  end
+
+end