/**
* @return PHPUnit_Extensions_Database_DB_IDatabaseConnection
*/
public function getConnection()
{
$em = $this->getContainer()->getDoctrine()->createEntityManager();
$pdo = $em->getConnection()->getWrappedConnection();
$em->clear();
self::$em = $em;
self::$tool = new SchemaTool($em);
self::$classes = self::$em->getMetaDataFactory()->getAllMetaData();
self::$connection = $this->createDefaultDBConnection($pdo, ':memory:');
return self::$connection;
}
