OZG-6665 Adjust helm test

src/test/helm/service_test.yaml

@@ -85,6 +85,16 @@ tests:
             protocol: TCP
           count: 1
           any: true
+  - it: ports should contain the metrics port
+    asserts:
+      - contains:
+          path: spec.ports
+          content:
+            name: metrics
+            port: 9002
+            protocol: TCP
+          count: 1
+          any: true
   - it: selector should contain the component label with the value user-manager
     asserts:
       - equal: