my $var = <<'__EOI__';
...
...
__EOI__

##</code><code>##

use Gi::Testing::TestDB
    DataSource => [qw/DBI:mysql:database:address:3306 tester password/],
    Schema     => *main::DATA;

##</code><code>##

BEGIN {
    require Gi::Testing::TestDB;
    import  Gi::Testing::TestDB
        DataSource => [qw/DBI:mysql:database:address:3306 tester password/],
        Schema     => *main::DATA;
}