private void assertNotDeleted(String blobId) throws Exception {
    router.getBlob(blobId, new GetBlobOptionsBuilder().build()).get(AWAIT_TIMEOUT_MS, TimeUnit.MILLISECONDS);
  }
Generates {@link Properties} that includes initial configuration.
@param parallelism undelete request parallelism.
@return Properties
ambry-router/src/test/java/com/github/ambry/router/UndeleteManagerTest.java