public function testCachePath()
{
$this->config->cachePath('js', 'WEBROOT/css_build');
$this->assertEquals(WEBROOT . 'css_build/', $this->config->cachePath('js'));
$this->config->cachePath('js', 'WEBROOT/css_build/');
$this->assertEquals(WEBROOT . 'css_build/', $this->config->cachePath('js'));
}