Keep additional logs files
Keep additional logs files

Make repeat-test.sh keep additional log files.

Change-Id: I7e438e463ad1d8edf6bb0ce83c1ef2a110ef4a68

harrisonfeng/training-guides,harrisonfeng/training-guides,Nabs007/training-guides,harrisonfeng/training-guides,Nabs007/training-guides,openstack/training-guides,openstack/training-guides,Nabs007/training-guides