Adding timeout in scale pipeline to let sadis-server cache the entries

Change-Id: I0e1ab2eaa3ce9230cff525c395dc1d4c4625b518
diff --git a/jjb/pipeline/voltha-scale-test.groovy b/jjb/pipeline/voltha-scale-test.groovy
index 1be36fa..d2b075c 100644
--- a/jjb/pipeline/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha-scale-test.groovy
@@ -172,6 +172,9 @@
             ./voltha up
           """
         }
+        // bbsim-sadis server takes a while to cache the subscriber entries
+        // wait for that before starting the tests
+        sleep(120)
       }
     }
     stage('Configuration') {
@@ -265,9 +268,6 @@
             _TAG=$_TAG bash $WORKSPACE/pprof.sh &
           fi
         '''
-        // bbsim-sadis server takes a while to cache the subscriber entries
-        // wait for that before starting the tests
-        sleep(60)
         timeout(time: 11, unit: 'MINUTES') {
           sh '''
             ROBOT_PARAMS="-v olt:${olts} \