deploy Flex POD every couple hours to test VOL-2173

Change-Id: Iac9948dc13f3021148821c9128d2fadd99441925
diff --git a/jjb/cord-test/nightly-build-pipeline.yaml b/jjb/cord-test/nightly-build-pipeline.yaml
index 063c9b7..add62fe 100644
--- a/jjb/cord-test/nightly-build-pipeline.yaml
+++ b/jjb/cord-test/nightly-build-pipeline.yaml
@@ -885,7 +885,7 @@
     triggers:
       - timed: |
                  TZ=America/Los_Angeles
-                 H {time} * * *
+                 H H/2 * * *
 
 - job-template:
     name: 'build_{config-pod}_{profile}_voltha_{release}_test'