Ensure namespace deletes happen when oc is installed from the cache (#605)

Signed-off-by: Jose R. Gonzalez <komish@flutes.dev>

Author: komish

.github/workflows/functional-tests.yaml

@@ -151,7 +151,7 @@ jobs:
           ve1/bin/pytest -v --log-cli-level=WARNING --tb=short
 
       - name: Delete Namespace
-        if: ${{ always() && steps.install-oc.conclusion == 'success' }}
+        if: ${{ always() && (steps.cache-oc.outputs.cache-hit == 'true' || steps.install-oc.conclusion == 'success') }}
         env:
           KUBECONFIG: /tmp/ci-kubeconfig
           EVENT_NUMBER: ${{ inputs.event-identifier }}