Update galaxy publish test for non-erroring Pulp

test/integration/targets/ansible-galaxy-collection/tasks/publish.yml

@@ -31,6 +31,21 @@
     chdir: '{{ galaxy_dir }}'
   register: fail_publish_existing
   failed_when: fail_publish_existing is not failed
+  ignore_errors: true
+
+- name: get result of publish collection - {{ test_name }}
+  uri:
+    url: '{{ test_api_server }}v3/plugin/ansible/content/primary/collections/index/ansible_test/my_collection/versions/1.0.0/'
+    return_content: yes
+    user: '{{ pulp_user }}'
+    password: '{{ pulp_password }}'
+    force_basic_auth: true
+  register: publish_collection_update
+  when: fail_publish_existing is not failed
+
+- assert:
+    that:
+    - fail_publish_existing is failed or publish_collection_update["json"]["updated_at"] == publish_collection_actual["json"]["updated_at"]
 
 - name: reset published collections - {{ test_name }}
   include_tasks: pulp.yml