Comment # 1 on bug 1046591 from zhen ren

The pool devnode link is expected to be gone, after the pool is being used,
i.e., a thin volume is created in this pool.

"""
[ 0:04] not grep "WARNING: Sum" out
[ 0:04] #thin-overprovisioning.sh:35+ not grep 'WARNING: Sum' out
[ 0:04] # check again link node is now gone for a USED thin-pool
[ 0:04] test ! -e "$DM_DEV_DIR/$vg/pool"
[ 0:04] #thin-overprovisioning.sh:37+ test '!' -e /dev/@PREFIX@vg/pool
[ 0:04] set +vx; STACKTRACE; set -vx
[ 0:04] ##thin-overprovisioning.sh:37+ set +vx
[ 0:04] ## - /usr/share/lvm2-testsuite/shell/thin-overprovisioning.sh:125
[ 0:04] ## 0 stacktrace() called from lib/utils:125
[ 0:04] ## 1 STACKTRACE() called from lib/utils:37
"""