Idempotent tests - Make java install idempotent

.kitchen.yml

@@ -12,6 +12,7 @@ provisioner:
   http_proxy: <%= ENV['HTTP_PROXY'] %>
   https_proxy: <%= ENV['HTTPS_PROXY'] %>
   no_proxy: localhost,127.0.0.1
+  idempotency_test: true
 
 platforms:
   - name: ubuntu-14.04

tasks/java.yml

@@ -10,13 +10,15 @@
   when: ansible_os_family == 'RedHat'
   
 - name: Debian - Ensure Java is installed
-  apt: name={{ java }} state={{java_state}} update_cache=yes force=yes
+  apt: name={{ java }} state={{java_state}} update_cache=yes
   when: ansible_os_family == 'Debian'
 
 - command: java -version 2>&1 | grep OpenJDK
   register: open_jdk
   changed_when: false
 
+#https://github.com/docker-library/openjdk/issues/19 - ensures tests pass due to java 8 broken certs
 - name: refresh the java ca-certificates
   command: /var/lib/dpkg/info/ca-certificates-java.postinst configure
-  when: ansible_distribution == 'Ubuntu' and open_jdk.rc == 0
+  when: ansible_distribution == 'Ubuntu' and open_jdk.rc == 0
+  changed_when: false