Don't print output of spdkcli command if not error happened.
Such logging only polutes the CI output.
On failed commands, the output is still printed.
Mismatch between `element_exist` and `element in child.before.decode()'
also counts as fail so we show the output in that case too.
This commit is related to trello task:
https://trello.com/c/GlJnWmkR/150-spdkcli-improve-tests-output
Change-Id: I7b20dc2bbd1a3b15a3701be27bec023614e18621
Signed-off-by: Vitaliy Mysak <vitaliy.mysak@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/459305
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Pawel Kaminski <pawelx.kaminski@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-by: Seth Howell <seth.howell5141@gmail.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
719ee8be1f