foreach my $colname ( @{$DB_Class->required_columns()} ) {
ok($correct_nullables{$colname} == 0 || $colname eq 'score',"nullable or required column $colname is required (via required_columns)" );
foreach my $colname ( @{$DB_Class->required_columns()} ) {
ok($correct_nullables{$colname} == 0 || $colname eq 'score',"nullable or required column $colname is required (via required_columns)" );