public function testLoad()
 {
     $di = new Phalcon\DI\FactoryDefault();
     $loader = new \Phalcon\DI\Service\Loader($di);
     $definitions = (require __DIR__ . '/fixtures/config.php');
     $loader->setDefinitions($definitions);
     $this->assertObjectNotHasAttribute('fn1', $di);
     $this->assertObjectNotHasAttribute('fn2', $di);
     $loader->load(['fn1', 'fn2']);
     $this->assertObjectHasAttribute('fn1', $di);
     $this->assertObjectHasAttribute('fn2', $di);
 }