public function testGetCssBundleUrlWithAbsoluteCssCachePathAndNoCssCacheUrlSetShouldThrowException()
{
$this->setExpectedException('\\RuntimeException', 'If you do not provide a css cache url, css cache path must be a relative local path...');
$this->bundle->setCssCachePath('/absolute/path');
$this->bundle->getCssBundleUrl();
}