Fix tests

Author: bviktor

tests/install.yml

@@ -1,4 +1,10 @@
 ---
+- name: Update APT cache
+  apt:
+    update_cache: true
+  register: noobient_apt_cache_updated
+  when: ansible_os_family == 'Debian' and noobient_apt_cache_updated is not defined
+
 - name: Install WordPress dependencies
   package:
     name: "{{ packages }}"