test_dnsrecord.yml: Add failed_when test for A rec with reverse, NS record

The test to make sure that the task set the changed flag and did not
fail was missing. Also the repeated task to make sure that the task did
not set the change flag.

tests/dnsrecord/test_dnsrecord.yml

@@ -432,6 +432,18 @@
       name: host04
       ip_address: "{{ ipv4_prefix }}.114"
       reverse: yes
+    register: result
+    failed_when: not result.changed or result.failed
+
+  - name: Ensure that 'host04' has a A record with reverse, for NS record, again.
+    ipadnsrecord:
+      ipaadmin_password: SomeADMINpassword
+      zone_name: "{{ testzone }}"
+      name: host04
+      ip_address: "{{ ipv4_prefix }}.114"
+      reverse: yes
+    register: result
+    failed_when: result.changed or result.failed
 
   - name: Ensure that 'host04' has NS record.
     ipadnsrecord: