enhance acceptance tests

spec/acceptance/class_spec.rb

@@ -107,6 +107,9 @@ class { '::vault':
     describe port(8200) do
       it { is_expected.to be_listening.on('127.0.0.1').with('tcp') }
     end
+    describe command('vault version') do
+      its(:stdout) { is_expected.to match %r{v0\.10\.0} }
+    end
   end
 
   # we will test if we can update vault to another version
@@ -132,5 +135,16 @@ class { 'vault':
       apply_manifest(pp, catch_failures: true)
       apply_manifest(pp, catch_changes: true)
     end
+    describe service('vault') do
+      it { is_expected.to be_enabled }
+      it { is_expected.to be_running }
+    end
+
+    describe port(8200) do
+      it { is_expected.to be_listening.on('127.0.0.1').with('tcp') }
+    end
+    describe command('vault version') do
+      its(:stdout) { is_expected.to match %r{v0\.10\.1} }
+    end
   end
 end