Checking if your kit is complete...
Looks good
Writing Makefile for DBIx::Tree::NestedSet
RDBMS you're testing on? (Valid choices are MySQL and SQLite) [MySQL] MySQL
DBI Connection String? [DBI:mysql:test] DBI:mysql:test
User ID? [] 
Password? [] 
cp lib/DBIx/Tree/NestedSet.pm blib/lib/DBIx/Tree/NestedSet.pm
cp lib/DBIx/Tree/NestedSet/SQLite.pm blib/lib/DBIx/Tree/NestedSet/SQLite.pm
cp lib/DBIx/Tree/NestedSet/Manage.pm blib/lib/DBIx/Tree/NestedSet/Manage.pm
cp lib/DBIx/Tree/NestedSet/MySQL.pm blib/lib/DBIx/Tree/NestedSet/MySQL.pm
Manifying blib/man3/DBIx::Tree::NestedSet::SQLite.3
Manifying blib/man3/DBIx::Tree::NestedSet.3
Manifying blib/man3/DBIx::Tree::NestedSet::Manage.3
Manifying blib/man3/DBIx::Tree::NestedSet::MySQL.3
PERL_DL_NONLAZY=1 /Users/cpanrun/build/5.10.0/bin/perl "-Iblib/lib" "-Iblib/arch" test.pl
1..12
ok 1
install_driver(mysql) failed: Can't locate DBD/mysql.pm in @INC (@INC contains: blib/lib blib/arch /Users/cpanrun/depot/main/Apps/CPAN_Run/lib /Users/cpanrun/build/5.10.0/site/lib /Users/cpanrun/build/5.10.0/lib .) at (eval 4) line 3.
Perhaps the DBD::mysql perl module hasn't been fully installed,
or perhaps the capitalisation of 'mysql' isn't right.
Available drivers: DBM, ExampleP, File, Gofer, LDAP, Mock, Ovrimos, Pg, PgLite, Proxy, SQLRelay, SQLite, Sponge.
 at test.pl line 39
make: *** [test_dynamic] Error 2