XXXX Add ZFS test for illumos 4986

*** 1914,1923 ****
--- 1914,1924 ----
  file path=opt/zfs-tests/tests/functional/refquota/refquota_002_pos mode=0555
  file path=opt/zfs-tests/tests/functional/refquota/refquota_003_pos mode=0555
  file path=opt/zfs-tests/tests/functional/refquota/refquota_004_pos mode=0555
  file path=opt/zfs-tests/tests/functional/refquota/refquota_005_pos mode=0555
  file path=opt/zfs-tests/tests/functional/refquota/refquota_006_neg mode=0555
+ file path=opt/zfs-tests/tests/functional/refquota/refquota_007_pos mode=0555
  file path=opt/zfs-tests/tests/functional/refquota/setup mode=0555
  file path=opt/zfs-tests/tests/functional/refreserv/cleanup mode=0555
  file path=opt/zfs-tests/tests/functional/refreserv/refreserv.cfg mode=0555
  file path=opt/zfs-tests/tests/functional/refreserv/refreserv_001_pos mode=0555
  file path=opt/zfs-tests/tests/functional/refreserv/refreserv_002_pos mode=0555