[VOL-3780] Tagging the port-forward processes as the tests expect

Change-Id: Icc73a0ab8cdd6d6acb3a795b312986b0086c779a
diff --git a/jjb/pipeline/voltha/master/physical-build.groovy b/jjb/pipeline/voltha/master/physical-build.groovy
index 46bd818..4e89746 100644
--- a/jjb/pipeline/voltha/master/physical-build.groovy
+++ b/jjb/pipeline/voltha/master/physical-build.groovy
@@ -122,9 +122,9 @@
               ])
           }
           sh """
-          JENKINS_NODE_COOKIE="dontKillMe" bash -c "while true; do kubectl port-forward --address 0.0.0.0 -n ${volthaNamespace} svc/voltha-voltha-api 55555:55555; done"&
-          JENKINS_NODE_COOKIE="dontKillMe" bash -c "while true; do kubectl port-forward --address 0.0.0.0 -n ${infraNamespace} svc/voltha-infra-etcd ${params.VolthaEtcdPort}:2379; done"&
-          JENKINS_NODE_COOKIE="dontKillMe" bash -c "while true; do kubectl port-forward --address 0.0.0.0 -n ${infraNamespace} svc/voltha-infra-kafka 9092:9092; done"&
+          JENKINS_NODE_COOKIE="dontKillMe" _TAG="voltha-api" bash -c "while true; do kubectl port-forward --address 0.0.0.0 -n ${volthaNamespace} svc/voltha-voltha-api 55555:55555; done"&
+          JENKINS_NODE_COOKIE="dontKillMe" _TAG="etcd" bash -c "while true; do kubectl port-forward --address 0.0.0.0 -n ${infraNamespace} svc/voltha-infra-etcd ${params.VolthaEtcdPort}:2379; done"&
+          JENKINS_NODE_COOKIE="dontKillMe" _TAG="kafka" bash -c "while true; do kubectl port-forward --address 0.0.0.0 -n ${infraNamespace} svc/voltha-infra-kafka 9092:9092; done"&
           ps aux | grep port-forward
           """
           getPodsInfo("$WORKSPACE")