NEX-3363 Test suites don't cleanup after themselves properly.
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
4206 history_003_pos relies on exact size of history log and entries
4207 history_008_pos depends on obsolete internal history log message
4208 Typo in zfs_main.c: "posxiuser"
4209 Populate zfstest with the remainder of the STF tests
Reviewed by: Sonu Pillai <sonu.pillai@delphix.com>
Reviewed by: Will Guyette <will.guyette@delphix.com>
Reviewed by: Eric Diven <eric.diven@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

*** 22,33 ****
--- 22,35 ----
  
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ 
  #
  # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
+ # Copyright 2015 Nexenta Systems, Inc. All rights reserved.
  #
  
  . $STF_SUITE/include/libtest.shlib
  . $STF_SUITE/tests/functional/no_space/enospc.cfg
  
*** 34,47 ****
  verify_runnable "global"
  
  DISK=${DISKS%% *}
  
  ismounted "$TESTPOOL/$TESTFS"
! (( $? == 0 )) && \
!         log_must zfs umount $TESTDIR
  
  destroy_pool $TESTPOOL
  #
  # Remove 100mb partition.
  #
  create_pool dummy$$ "$DISK"
  destroy_pool dummy$$
--- 36,50 ----
  verify_runnable "global"
  
  DISK=${DISKS%% *}
  
  ismounted "$TESTPOOL/$TESTFS"
! (( $? == 0 )) && log_must zfs umount $TESTDIR
  
  destroy_pool $TESTPOOL
+ [[ -e $TESTDIR ]] && log_must rm -rf $TESTDIR
+ 
  #
  # Remove 100mb partition.
  #
  create_pool dummy$$ "$DISK"
  destroy_pool dummy$$