Test w/released images for Helm chart patches

Change-Id: I2326df42bd9cff543b8a11c81d95e0fc3009947d
diff --git a/jjb/verify/voltha-helm-charts.yaml b/jjb/verify/voltha-helm-charts.yaml
index a4b7a9d..fd88c24 100644
--- a/jjb/verify/voltha-helm-charts.yaml
+++ b/jjb/verify/voltha-helm-charts.yaml
@@ -21,4 +21,4 @@
           dependency-jobs: 'verify_voltha-helm-charts_helm-lint'
           build-timeout: 20
           pipeline-script: 'voltha-bbsim-tests.groovy'
-
+          extra-helm-flags: '--set defaults.image_tag=null,images.onos.tag=2.2.0'