LU-15152 tests: auster reports wrong testsuite status

LU-15152 tests: auster reports wrong testsuite status

auster always reports testsuites returned 0 even when there
are failures.

Test-Parameters: trivial testlist=sanity-lnet env=ONLY=230,ONLY_REPEAT=20
Signed-off-by: Chris Horn <chris.horn@hpe.com>
Change-Id: I7a8101d6cfd854d8419edf55c18a72e211f5e5c8
Reviewed-on: https://review.whamcloud.com/45343
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: James Nunez <jnunez@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>