Make tests public. Rewrite most tests. Add tests.

[pintos-anon] / src / tests / vm / pt-big-stk-obj.ck

# -*- perl -*-
use strict;
use warnings;
use tests::tests;
check_expected (IGNORE_EXIT_CODES => 1, [<<'EOF']);
(pt-big-stk-obj) begin
(pt-big-stk-obj) cksum: 3256410166
(pt-big-stk-obj) end
EOF