@Before
 public void setup() throws Exception {
   ram = PluginManager.getStorage("ram");
   ram.init("{}");
   ffmpeg = new FfmpegMockImpl();
   sourceObject =
       StorageUtils.storeFile(ram, new File(getClass().getResource("/african_drum.aif").toURI()));
 }
 @After
 public void shutdown() throws Exception {
   if (sourceObject != null) {
     sourceObject.close();
   }
   if (ram != null) {
     ram.shutdown();
   }
 }