# perl -MTest::Harness -e 'runtests("test_plain_fork.t", "test_more_fork.t")'

test_plain_fork....ok
test_more_fork.....ok 2/2# Looks like you planned 2 tests but only ran 1.
test_more_fork.....dubious
        Test returned status 1 (wstat 256, 0x100)
        after all the subtests completed successfully
Failed Test      Stat Wstat Total Fail  Failed  List of Failed
-------------------------------------------------------------------------------
test_more_fork.t    1   256     2    0   0.00%  ??
Failed 1/2 test scripts, 50.00% okay. 0/4 subtests failed, 100.00% okay.