AssetManagerTest\Service\AssetFilterManagerTest::testensureByInvalid PHP Method

    public function testensureByInvalid()
    {
        $assetFilterManager = new AssetFilterManager(array('test/path.test' => array(array())));
        $asset = new StringAsset('Herp derp');
        $assetFilterManager->setFilters('test/path.test', $asset);
    }