[VOL-3007] Do not check for dhcp if subscriber are not provisioned

Change-Id: I9059e44d9a66c849e3e6cf0382c4505fa614374f
diff --git a/jjb/pipeline/voltha-scale-test.groovy b/jjb/pipeline/voltha-scale-test.groovy
index 6b64a9c..235bb0b 100644
--- a/jjb/pipeline/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha-scale-test.groovy
@@ -273,8 +273,8 @@
             fi
 
             if [ ${provisionSubscribers} = false ] ; then
-              # if we're not considering subscribers then we don't care about authentication either
-              ROBOT_PARAMS+="-e authentication -e provision -e flow-after "
+              # if we're not considering subscribers then we don't care about authentication and dhcp
+              ROBOT_PARAMS+="-e authentication -e provision -e flow-after -e dhcp"
             fi
 
             if [ ${withFlows} = false ] ; then