NEX-3974 Remove timing issues so the robot can run consistently
Reviewed by: Steve Peng <steve.peng@nexenta.com>
Reviewed by: Josef Sipek <josef.sipek@nexenta.com>
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>

@@ -25,10 +25,11 @@
 # Use is subject to license terms.
 #
 
 #
 # Copyright (c) 2012, 2016 by Delphix. All rights reserved.
+# Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
 #
 
 . $STF_SUITE/include/libtest.shlib
 
 #

@@ -47,11 +48,11 @@
 set -A pools "pool//$$" "pool%d123" "mirror" "c0t0d0s0" "pool*23*" "*po!l" \
         "%s££%^"
 
 function cleanup {
         if poolexists $POOL; then
-                log_must zpool destroy $POOL
+                log_must destroy_pool_no_force $POOL
         fi
         rm /bootfs_004.$$.dat
 }