Rebuild cache before checking site status in case that some constructors have been updated

tasks/deploy/post-tasks.yml

@@ -14,11 +14,15 @@
       when: drush_version_main|default('8') == '8'
 
     - name: Check Drush Status
-      shell: drush -y {{ drushAlias }} status
+      shell: drush -y {{ drushAlias }} {{ item }}
       args:
         chdir: '{{ webRoot }}'
+      with_items:
+        - cache-rebuild
+        - status
       register: drush_status
       changed_when: no
+      ignore_errors: yes
       when: drushAliasValidate in drush_aliases.stdout_lines
 
     - name: Run Post Deploy Tasks