@Test
 public void testSimpleSourceUpload() throws Exception {
   Assume.assumeTrue(Network.isAppAlive());
   String id = UUID.randomUUID().toString();
   Source source = makeSource(id);
   client.put(source);
   Source fromServer = client.get(Source.class, id);
   Assert.assertEquals(id, fromServer.sourceInfo.dataSetInfo.uuid);
 }