public function testFilterLoadWithSass() {
$asset = new FileAsset(__DIR__ . '/fixtures/compass/stylesheet.sass');
$asset
->load();
$filter = new CompassFilter($_SERVER['COMPASS_BIN']);
$filter
->filterLoad($asset);
$this
->assertContains('.test-class', $asset
->getContent());
$this
->assertContains('font-size: 2em;', $asset
->getContent());
}