Not failing the build for non critical tests

Change-Id: I8cbb9daefb0226192ce3461b63efd77a50498b30
diff --git a/jjb/pipeline/voltha/master/software-upgrades.groovy b/jjb/pipeline/voltha/master/software-upgrades.groovy
index c954670..2e0f73e 100644
--- a/jjb/pipeline/voltha/master/software-upgrades.groovy
+++ b/jjb/pipeline/voltha/master/software-upgrades.groovy
@@ -234,7 +234,8 @@
          outputPath: '.',
          passThreshold: 100,
          reportFileName: 'RobotLogs/*/report*.html',
-         unstableThreshold: 0]);
+         unstableThreshold: 0,
+         onlyCritical: true]);
       archiveArtifacts artifacts: '*.log,**/*.log,**/*.gz,*.gz,*.txt,**/*.txt'
     }
   }