Scheduling scale jobs every 4 hours over the weekend

Change-Id: I94b4ac0322f6dea4434fd08c47ab5c2caffd09ee
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index a02386c..a26eaaa 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -467,10 +467,10 @@
 
     dsl: !include-raw-escape: pipeline/{pipeline-script}
 
-    # triggers:
-    #   - timed: |
-    #              TZ=America/Los_Angeles
-    #              {time-trigger}
+    triggers:
+      - timed: |
+                 TZ=America/Los_Angeles
+                 {time-trigger}
 
 - job-template:
     id: 'voltha-scale-measurements-dev'