# before testing.
my $results_db = 'test_results.db';
if ( ! unlink $results_db && -e $results_db ) {
    die "Can't unlink existing results db '$results_db': $!";
}
my $db = tie my @test_results, 'DBM::Deep', 'test_results.db';
Test::More->builder->{Test_Results} = \@test_results;