test: Add valid pointers to smack labels
test: Add valid pointers to smack labels

Since we don't check the labels because only groups are being used for
these tests, the data doesn't need to be initialized but we still need
valid pointers to avoid a possible assertion failure.

Signed-off-by: William Douglas <07dd1d6cf12120bb0585d2eb50da402be35d56e5@intel.com>

sofar/buxton,sofar/buxton