https://github.com/cakephp/phinx/blob/0.x/src/Phinx/Console/Command/Create.php
You could apply sth similar here we currently evaluate for Migrations:
cakephp/migrations#773

When you generate multiple ones, this will otherwise create exceptions when reading/using.