public function testDiscoverFactories()
 {
     Configuration::$factoryPaths = [__DIR__ . '/../Fixture'];
     Factory::discoverFactories();
     $this->assertTrue(FactoryRegistry::isFactoryDefined('BasicUser'));
     $this->assertTrue(FactoryRegistry::isFactoryDefined('DynamicUser'));
     $this->assertTrue(FactoryRegistry::isFactoryDefined('ModifierUser'));
 }