public function testInitialize()
{
$app = $this->getApp();
$map = new MetadataDriver($app['schema'], $app['config']->get('contenttypes'), $app['config']->get('taxonomy'), $app['storage.typemap']);
$map->initialize();
$metadata = $map->loadMetadataForClass('Bolt\\Storage\\Entity\\Users');
$this->assertNotNull($metadata);
$this->assertEquals('bolt_users', $metadata->getTableName());
$field = $metadata->getFieldMapping('id');
$this->assertEquals('id', $field['fieldname']);
}