Putting log to DEBUG for memory leak pipeline

Change-Id: Ifffaa7f5ef4aaf194d77e4c25229d7c52d8fa5f1
diff --git a/jjb/voltha-e2e.yaml b/jjb/voltha-e2e.yaml
index a637bbc..3cb11f9 100755
--- a/jjb/voltha-e2e.yaml
+++ b/jjb/voltha-e2e.yaml
@@ -1340,6 +1340,7 @@
           time-trigger: "H H/23 * * *"
           extraHelmFlags: '--set global.image_tag=master --set onos-classic.image.tag=master'
           withMonitoring: true
+          logLevel: 'DEBUG'
           testTargets: |
             - target: memory-leak-test-single-kind-att
               workflow: att