Make timezone tests work on Alpine. (#4292) (#4296)

(cherry picked from commit 14ef334754)

Co-authored-by: Felix Fontein <felix@fontein.de>

tests/integration/targets/timezone/tasks/main.yml

@@ -49,6 +49,12 @@
     state: present
   when: ansible_distribution == 'Archlinux'
 
+- name: make sure tzdata is installed on Alpine
+  package:
+    name: tzdata
+    state: present
+  when: ansible_distribution == 'Alpine'
+
 - name: make sure the dbus service is started under systemd
   systemd:
     name: dbus