Add cluster dump artifact in CI jobs (#5796)

tests/testcases/030_check-network.yml

@@ -21,6 +21,9 @@
   - name: Run a replica controller composed of 2 pods in test ns
     shell: "{{ bin_dir }}/kubectl run test --image={{ test_image_repo }}:{{ test_image_tag }} --namespace test --replicas=2 --command -- tail -f /dev/null"
 
+  - import_role:
+      name: cluster-dump
+
   - name: Check that all pods are running and ready
     shell: "{{ bin_dir }}/kubectl get pods --namespace test --no-headers -o yaml"
     register: run_pods_log