public function testAssetLastModifiedTimestampIsPrependBeforeFileExtension()
{
$asset = new FileAsset(TEST_ASSETS_DIR . '/css/global.css');
$asset->setTargetPath(TEST_PUBLIC_DIR . '/css/global.css');
$factory = new AssetFactory('');
$this->cacheBuster->process($asset, $factory);
$this->assertSame(TEST_PUBLIC_DIR . '/css/global.' . $asset->getLastModified() . '.css', $asset->getTargetPath());
}