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>
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>

*** 37,50 ****
  if ! verify_slog_support ; then
          log_unsupported "This system doesn't support separate intent logs"
  fi
  
  if datasetexists $TESTPOOL ; then
!         log_must zpool destroy -f $TESTPOOL
  fi
  if datasetexists $TESTPOOL2 ; then
!         log_must zpool destroy -f $TESTPOOL2
  fi
  if [[ -d $VDIR ]]; then
          log_must rm -rf $VDIR
  fi
  if [[ -d $VDIR2 ]]; then
--- 37,50 ----
  if ! verify_slog_support ; then
          log_unsupported "This system doesn't support separate intent logs"
  fi
  
  if datasetexists $TESTPOOL ; then
!         log_must destroy_pool $TESTPOOL
  fi
  if datasetexists $TESTPOOL2 ; then
!         log_must destroy_pool $TESTPOOL2
  fi
  if [[ -d $VDIR ]]; then
          log_must rm -rf $VDIR
  fi
  if [[ -d $VDIR2 ]]; then