Clean up test namespace (#852) (#853)

This is a backport of PR #852 as merged into main (9f60b15).
SUMMARY

The helm_set_values test target did not clean up its namespace which is leading to unstable tests in the k8s_drain target.

ISSUE TYPE


Bugfix Pull Request

COMPONENT NAME

ADDITIONAL INFORMATION

tests/integration/targets/helm_set_values/tasks/main.yml

@@ -104,3 +104,11 @@
     file:
       state: absent
       path: "{{ ymlfile.path }}"
+    ignore_errors: true
+
+  - name: Delete namespace
+    k8s:
+      state: absent
+      kind: namespace
+      name: "{{ helm_namespace }}"
+    ignore_errors: true