sanity test pipline failing for openolt adapter

pipeline is failing due  to the following exception for openolt adapter sanity test
11:40:36 Error when executing failure post condition:11:40:36 hudson.AbortException: script returned exit code 1*11:40:36* at org.jenkinsci.plugins.workflow.steps.durable_task.DurableTaskStep$Execution.handleExit(DurableTaskStep.java:664)11:40:36 at org.jenkinsci.plugins.workflow.steps.durable_task.DurableTaskStep$Execution.check(DurableTaskStep.java:610)11:40:36 at org.jenkinsci.plugins.workflow.steps.durable_task.DurableTaskStep$Execution.run(DurableTaskStep.java:554)11:40:36 at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)11:40:36 at java.util.concurrent.FutureTask.run(FutureTask.java:266)11:40:36 at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)11:40:36 at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)11:40:36 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)11:40:36 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)11:40:36 at java.lang.Thread.run(Thread.java:750)
 

https://jenkins.opencord.org/job/verify_voltha-openolt-adapter_sanity-test/1881/console