public function testExtension()
{
$extension = new TwigExtension(__DIR__, '/', '/bundles', '/shared.js', '/shared.css');
$this->assertEquals('webpack', $extension->getName());
$this->assertEquals(['js' => false, 'css' => false], $extension->webpackAsset('@AppBundle/app.js'));
$this->assertEquals('/shared.js?0', $extension->webpackCommonJs());
$this->assertEquals('/shared.css?0', $extension->webpackCommonCss());
}