Integrate usr.sbin/basename/tests from NetBSD into atf/kyua

In collaboration with: pho
Sponsored by: EMC / Isilon Storage Division
Integrate usr.bin/cmp/tests from NetBSD into atf/kyua

In collaboration with: sjg
Sponsored by: EMC / Isilon Storage Division
Integrate usr.bin/dirname/tests from NetBSD into atf/kyua

In collaboration with: pho, sjg
Sponsored by: EMC / Isilon Storage Division