.io&#34;,&#34;sub&#34;:&#34;testing@secure.istio.io&#34;}
</code></pre><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ curl -s -I &#34;http://$INGRESS_HOST:$INGRESS_PORT/headers&#34; -H &#34;Authorization: Bearer $TOKEN_NO_GROUP&#34;
HTTP/1.1 404 Not Found
...
</code></pre></li></ol><h2 id=cleanup>Cleanup</h2><ul><li><p>Remove the namespace <code>foo</code>:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl delete namespace foo
</code></pre></li><li><p>