.kitchen.dokken.yml in test-kitchen-1.21.2 vs .kitchen.dokken.yml in test-kitchen-1.22.0

@@ -11,12 +11,12 @@
 
 verifier:
   name: inspec
 
 platforms:
-- name: ubuntu-16.04
+- name: ubuntu-18.04
   driver:
-    image: dokken/ubuntu-16.04
+    image: dokken/ubuntu-18.04
     pid_one_command: /bin/systemd
     intermediate_instructions:
       - RUN /usr/bin/apt-get update
 
 - name: centos-7