[VOL-3820] DMI tests HW pipeline

Change-Id: Id7daa37de57b3522a0be20bc6df266788cb10bf9
diff --git a/jjb/voltha-test/voltha-nightly-jobs.yaml b/jjb/voltha-test/voltha-nightly-jobs.yaml
index 7b00b24..0d07a91 100644
--- a/jjb/voltha-test/voltha-nightly-jobs.yaml
+++ b/jjb/voltha-test/voltha-nightly-jobs.yaml
@@ -694,6 +694,7 @@
     <<: *voltha-pipe-job-boiler-plate
     # default values
     pipeline-script: 'voltha/master/dmi-build-and-test.groovy'
+    installVoltha: true
     VolthaEtcdPort: 2379
     num-of-openonu: 1
     num-of-onos: 3
@@ -785,6 +786,11 @@
           default: '{work-flow}'
           description: 'Installs and uses the specified work flow on the POD'
 
+      - bool:
+          name: installVoltha
+          default: '{installVoltha}'
+          description: "Whether to install VOLTHA"
+
       - string:
           name: extraHelmFlags
           default: '{extraHelmFlags}'