Fixing kind-voltha test for 2.7 branch

Change-Id: I32cc5e6c84401385e87d159e90de525b74de2c31
diff --git a/jjb/verify/kind-voltha.yaml b/jjb/verify/kind-voltha.yaml
index cf7e1ff..8b43798 100644
--- a/jjb/verify/kind-voltha.yaml
+++ b/jjb/verify/kind-voltha.yaml
@@ -21,3 +21,4 @@
           pipeline-script: 'voltha/voltha-2.7/voltha-bbsim-tests.groovy'
           name-extension: '-2.7'
           override-branch: 'voltha-2.7'
+          kindVolthaChange: '$GERRIT_REFSPEC'
diff --git a/jjb/voltha-e2e.yaml b/jjb/voltha-e2e.yaml
index f830fe7..fb3242c 100755
--- a/jjb/voltha-e2e.yaml
+++ b/jjb/voltha-e2e.yaml
@@ -743,6 +743,7 @@
     volthaHelmChartsChange: ''
     extraHelmFlags: ''
     branch-regexp: '{all-branches-regexp}'
+    kindVolthaChange: '' # this is only needed to test kind-voltha patches
 
     description: |
       <!-- Managed by Jenkins Job Builder -->
@@ -795,6 +796,12 @@
           default: '{override-branch}'
           description: 'Name of the branch to use'
 
+      # Used in the 2.7 based pipeline, can be removed after 2.8
+      - string:
+          name: kindVolthaChange
+          default: '{kindVolthaChange}'
+          description: 'Download a change for gerrit in the kind-voltha repo, example value: "refs/changes/32/19132/1" (only used to test kind-voltha changes in 2.7)'
+
     project-type: pipeline
     concurrent: true