7290 ZFS test suite needs to control what utilities it can run
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>

*** 24,44 ****
  # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/libtest.shlib
  . $STF_SUITE/tests/functional/scrub_mirror/default.cfg
  
  
  verify_runnable "global"
  
! $DF -F zfs -h | $GREP "$TESTFS " >/dev/null
! [[ $? == 0 ]] && log_must $ZFS umount -f $TESTDIR
  destroy_pool $TESTPOOL
  
  # recreate and destroy a zpool over the disks to restore the partitions to
  # normal
  if [[ -n $SINGLE_DISK ]]; then
--- 24,44 ----
  # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/libtest.shlib
  . $STF_SUITE/tests/functional/scrub_mirror/default.cfg
  
  
  verify_runnable "global"
  
! df -F zfs -h | grep "$TESTFS " >/dev/null
! [[ $? == 0 ]] && log_must zfs umount -f $TESTDIR
  destroy_pool $TESTPOOL
  
  # recreate and destroy a zpool over the disks to restore the partitions to
  # normal
  if [[ -n $SINGLE_DISK ]]; then