cloudstack: test_cs_instance: more integration tests

cloudstack: extend test_cs_instance addressing recovering

cloudstack: test_cs_instance: add tests for using display_name as indentifier.

test/integration/roles/test_cs_instance/tasks/cleanup.yml

@@ -28,9 +28,3 @@
   assert:
     that:
     - sg|success
-
-# force expunge, only works with admin permissions
-- cs_instance:
-    name: "{{ cs_resource_prefix }}-vm-{{ instance_number }}"
-    state: expunged
-  failed_when: false