4263 system/test/zfstest should depend on system/xopen/xcu4
4264 New features should be added to zpool_get.cfg
4276 zfstest should use less common user account than "admin" for ACL tests
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Marcel Telka <marcel@telka.sk>
Approved by: Dan McDonald <danmcd@nexenta.com>