Expand the tests structure in test_small(..) to workaround the
"initializer not constant" warning with gcc

Approved by: jmmv (mentor)
MFC after: 3 days
Phabric: D744
Sponsored by: EMC / Isilon Storage Division


git-svn-id: svn+ssh://svn.freebsd.org/base/head@271336 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f