Fix Molecule CI issues.

molecule/default/playbook.yml

@@ -10,6 +10,11 @@
     php_enablerepo: "remi,remi-php70"
     php_install_recommends: false
 
+  handlers:
+    - name: update apt cache
+      apt: update_cache=true
+      when: ansible_os_family == 'Debian'
+
   pre_tasks:
     - name: Update apt cache.
       apt: update_cache=true cache_valid_time=600
@@ -40,12 +45,10 @@
       apt_repository:
         repo: "deb https://packages.sury.org/php/ {{ ansible_distribution_release }} main"
         state: present
-      register: php_ondrej_debian_repo
       when: ansible_distribution == "Debian"
+      notify: update apt cache
 
-    - name: Update apt caches after repo is added (Debian).
-      apt: update_cache=yes
-      when: php_ondrej_debian_repo.changed and (ansible_distribution == "Debian")
+    - meta: flush_handlers
 
   roles:
     - role: geerlingguy.repo-remi