bin/51876: [PATCH] tests/usr.sbin/mtree: kyua 0.11 $TMPDIR fixes

[yaneurabeya%gmail.com@localhost]

>Number:         51876
>Category:       bin
>Synopsis:       [PATCH] tests/usr.sbin/mtree: kyua 0.11 $TMPDIR fixes
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Jan 14 13:35:01 +0000 2017
>Originator:     Ngie Cooper
>Release:        7.0.2
>Organization:
>Environment:
n/a
>Description:
kyua 0.11 puts files in $TMPDIR, which means that comparisons across runs aren't stable.

Root the mtree files under a subdirectory instead so kyua's data capturing doesn't affect the results.
>How-To-Repeat:

>Fix: