Downloading patches in the scale test job

Change-Id: Ia5e1f4bb1a8429f54482ef528fc0693660687a3c
diff --git a/jjb/pipeline/voltha-scale-test.groovy b/jjb/pipeline/voltha-scale-test.groovy
index ee908d3..a23beb3 100644
--- a/jjb/pipeline/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha-scale-test.groovy
@@ -117,6 +117,14 @@
             [$class: 'CloneOption', depth: 0, noTags: false, reference: '', shallow: false],
           ],
         ])
+        script {
+          sh(script:"""
+          if [ '${kindVolthaChange}' != '' ] ; then
+            cd $WORKSPACE/kind-voltha;
+            git fetch https://gerrit.opencord.org/kind-voltha ${kindVolthaChange} && git checkout FETCH_HEAD
+          fi
+          """)
+        }
       }
     }
     stage('Clone voltha-system-tests') {
@@ -134,6 +142,14 @@
             [$class: 'CloneOption', depth: 0, noTags: false, reference: '', shallow: false],
           ],
         ])
+        script {
+          sh(script:"""
+            if [ '${volthaSystemTestsChange}' != '' ] ; then
+              cd $WORKSPACE/voltha-system-tests;
+              git fetch https://gerrit.opencord.org/voltha-system-tests ${volthaSystemTestsChange} && git checkout FETCH_HEAD
+            fi
+            """)
+        }
       }
     }
     stage('Deploy common infrastructure') {