The test galera_3nodes_nbo.galera_nbo_master_non_prim_failure is sporadically failing on Jenkins. 

Reference:

https://pxc.cd.percona.com/view/8.0%20parallel%20MTR/job/pxc-8.0-param-parallel-mtr/84/CMAKE_BUILD_TYPE=Debug,DOCKER_OS=ubuntu%3Abionic/testReport/ubuntu-bionic.Debug.galera_3nodes_nbo_bigtest/galera_3nodes_nbo/galera_nbo_master_non_prim_failure_enc_off/

It looks there was an error while running post-processing steps